Date: Fri, 24 Jul 2009 09:33:07 -0500 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: John Baldwin <jhb@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r195840 - in head: sys/amd64/amd64 sys/arm/arm sys/conf sys/fs/procfs sys/i386/i386 sys/i386/xen sys/ia64/ia64 sys/kern sys/mips/mips sys/powerpc/booke sys/sparc64/sparc64 sys/sys sys/v... Message-ID: <4A69C623.2000806@freebsd.org> In-Reply-To: <200907241350.n6ODoT7h011449@svn.freebsd.org> References: <200907241350.n6ODoT7h011449@svn.freebsd.org>
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This breaks at least the PowerPC build. Here's the error: /usr/src/sys/vm/sg_pager.c:196: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'vm_paddr_t' -Nathan John Baldwin wrote: > Author: jhb > Date: Fri Jul 24 13:50:29 2009 > New Revision: 195840 > URL: http://svn.freebsd.org/changeset/base/195840 > > Log: > Add a new type of VM object: OBJT_SG. An OBJT_SG object is very similar to > a device pager (OBJT_DEVICE) object in that it uses fictitious pages to > provide aliases to other memory addresses. The primary difference is that > it uses an sglist(9) to determine the physical addresses for a given offset > into the object instead of invoking the d_mmap() method in a device driver. > > Reviewed by: alc > Approved by: re (kensmith) > MFC after: 2 weeks > > Added: > head/sys/vm/sg_pager.c (contents, props changed) > Modified: > head/sys/amd64/amd64/pmap.c > head/sys/arm/arm/pmap.c > head/sys/conf/files > head/sys/fs/procfs/procfs_map.c > head/sys/i386/i386/pmap.c > head/sys/i386/xen/pmap.c > head/sys/ia64/ia64/pmap.c > head/sys/kern/kern_proc.c > head/sys/mips/mips/pmap.c > head/sys/powerpc/booke/pmap.c > head/sys/sparc64/sparc64/pmap.c > head/sys/sys/user.h > head/sys/vm/vm.h > head/sys/vm/vm_fault.c > head/sys/vm/vm_map.c > head/sys/vm/vm_meter.c > head/sys/vm/vm_object.c > head/sys/vm/vm_object.h > head/sys/vm/vm_page.c > head/sys/vm/vm_pageout.c > head/sys/vm/vm_pager.c > head/sys/vm/vm_pager.h > head/usr.bin/procstat/procstat_vm.c > > Modified: head/sys/amd64/amd64/pmap.c > ============================================================================== > --- head/sys/amd64/amd64/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/amd64/amd64/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -3359,7 +3359,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offs > int pat_mode; > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > if ((addr & (NBPDR - 1)) == 0 && (size & (NBPDR - 1)) == 0) { > if (!vm_object_populate(object, pindex, pindex + atop(size))) > > Modified: head/sys/arm/arm/pmap.c > ============================================================================== > --- head/sys/arm/arm/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/arm/arm/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -3101,7 +3101,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offs > { > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > } > > > Modified: head/sys/conf/files > ============================================================================== > --- head/sys/conf/files Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/conf/files Fri Jul 24 13:50:29 2009 (r195840) > @@ -2637,6 +2637,7 @@ vm/default_pager.c standard > vm/device_pager.c standard > vm/phys_pager.c standard > vm/redzone.c optional DEBUG_REDZONE > +vm/sg_pager.c standard > vm/swap_pager.c standard > vm/uma_core.c standard > vm/uma_dbg.c standard > > Modified: head/sys/fs/procfs/procfs_map.c > ============================================================================== > --- head/sys/fs/procfs/procfs_map.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/fs/procfs/procfs_map.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -174,6 +174,7 @@ procfs_doprocmap(PFS_FILL_ARGS) > type = "swap"; > vp = NULL; > break; > + case OBJT_SG: > case OBJT_DEVICE: > type = "device"; > vp = NULL; > > Modified: head/sys/i386/i386/pmap.c > ============================================================================== > --- head/sys/i386/i386/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/i386/i386/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -3448,7 +3448,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offs > int pat_mode; > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > if (pseflag && > (addr & (NBPDR - 1)) == 0 && (size & (NBPDR - 1)) == 0) { > > Modified: head/sys/i386/xen/pmap.c > ============================================================================== > --- head/sys/i386/xen/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/i386/xen/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -3093,7 +3093,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offs > vm_page_t p; > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > if (pseflag && > ((addr & (NBPDR - 1)) == 0) && ((size & (NBPDR - 1)) == 0)) { > > Modified: head/sys/ia64/ia64/pmap.c > ============================================================================== > --- head/sys/ia64/ia64/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/ia64/ia64/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -1751,7 +1751,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offs > { > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > } > > > Modified: head/sys/kern/kern_proc.c > ============================================================================== > --- head/sys/kern/kern_proc.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/kern/kern_proc.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -1486,6 +1486,9 @@ sysctl_kern_proc_ovmmap(SYSCTL_HANDLER_A > case OBJT_DEAD: > kve->kve_type = KVME_TYPE_DEAD; > break; > + case OBJT_SG: > + kve->kve_type = KVME_TYPE_SG; > + break; > default: > kve->kve_type = KVME_TYPE_UNKNOWN; > break; > @@ -1658,6 +1661,9 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_AR > case OBJT_DEAD: > kve->kve_type = KVME_TYPE_DEAD; > break; > + case OBJT_SG: > + kve->kve_type = KVME_TYPE_SG; > + break; > default: > kve->kve_type = KVME_TYPE_UNKNOWN; > break; > > Modified: head/sys/mips/mips/pmap.c > ============================================================================== > --- head/sys/mips/mips/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/mips/mips/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -2148,7 +2148,7 @@ pmap_object_init_pt(pmap_t pmap, vm_offs > vm_object_t object, vm_pindex_t pindex, vm_size_t size) > { > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > } > > > Modified: head/sys/powerpc/booke/pmap.c > ============================================================================== > --- head/sys/powerpc/booke/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/powerpc/booke/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -2582,7 +2582,7 @@ mmu_booke_object_init_pt(mmu_t mmu, pmap > { > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("mmu_booke_object_init_pt: non-device object")); > } > > > Modified: head/sys/sparc64/sparc64/pmap.c > ============================================================================== > --- head/sys/sparc64/sparc64/pmap.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/sparc64/sparc64/pmap.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -1499,7 +1499,7 @@ pmap_object_init_pt(pmap_t pm, vm_offset > { > > VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > - KASSERT(object->type == OBJT_DEVICE, > + KASSERT(object->type == OBJT_DEVICE || object->type == OBJT_SG, > ("pmap_object_init_pt: non-device object")); > } > > > Modified: head/sys/sys/user.h > ============================================================================== > --- head/sys/sys/user.h Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/sys/user.h Fri Jul 24 13:50:29 2009 (r195840) > @@ -340,6 +340,7 @@ struct kinfo_file { > #define KVME_TYPE_DEVICE 4 > #define KVME_TYPE_PHYS 5 > #define KVME_TYPE_DEAD 6 > +#define KVME_TYPE_SG 7 > #define KVME_TYPE_UNKNOWN 255 > > #define KVME_PROT_READ 0x00000001 > > Added: head/sys/vm/sg_pager.c > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/sys/vm/sg_pager.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -0,0 +1,263 @@ > +/*- > + * Copyright (c) 2009 Advanced Computing Technologies LLC > + * Written by: John H. Baldwin <jhb@FreeBSD.org> > + * All rights reserved. > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions > + * are met: > + * 1. Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer. > + * 2. Redistributions in binary form must reproduce the above copyright > + * notice, this list of conditions and the following disclaimer in the > + * documentation and/or other materials provided with the distribution. > + * > + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND > + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE > + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE > + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE > + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL > + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS > + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) > + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT > + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY > + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF > + * SUCH DAMAGE. > + */ > + > +#include <sys/cdefs.h> > +__FBSDID("$FreeBSD$"); > + > +/* > + * This pager manages OBJT_SG objects. These objects are backed by > + * a scatter/gather list of physical address ranges. > + */ > + > +#include <sys/param.h> > +#include <sys/lock.h> > +#include <sys/mutex.h> > +#include <sys/sglist.h> > +#include <vm/vm.h> > +#include <vm/vm_object.h> > +#include <vm/vm_page.h> > +#include <vm/vm_pager.h> > +#include <vm/uma.h> > + > +static void sg_pager_init(void); > +static vm_object_t sg_pager_alloc(void *, vm_ooffset_t, vm_prot_t, > + vm_ooffset_t, struct ucred *); > +static void sg_pager_dealloc(vm_object_t); > +static int sg_pager_getpages(vm_object_t, vm_page_t *, int, int); > +static void sg_pager_putpages(vm_object_t, vm_page_t *, int, > + boolean_t, int *); > +static boolean_t sg_pager_haspage(vm_object_t, vm_pindex_t, int *, > + int *); > + > +static uma_zone_t fakepg_zone; > + > +static vm_page_t sg_pager_getfake(vm_paddr_t, vm_memattr_t); > +static void sg_pager_putfake(vm_page_t); > + > +struct pagerops sgpagerops = { > + .pgo_init = sg_pager_init, > + .pgo_alloc = sg_pager_alloc, > + .pgo_dealloc = sg_pager_dealloc, > + .pgo_getpages = sg_pager_getpages, > + .pgo_putpages = sg_pager_putpages, > + .pgo_haspage = sg_pager_haspage, > +}; > + > +static void > +sg_pager_init(void) > +{ > + > + fakepg_zone = uma_zcreate("SG fakepg", sizeof(struct vm_page), > + NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, > + UMA_ZONE_NOFREE|UMA_ZONE_VM); > +} > + > +static vm_object_t > +sg_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot, > + vm_ooffset_t foff, struct ucred *cred) > +{ > + struct sglist *sg; > + vm_object_t object; > + vm_pindex_t npages, pindex; > + int i; > + > + /* > + * Offset should be page aligned. > + */ > + if (foff & PAGE_MASK) > + return (NULL); > + > + /* > + * The scatter/gather list must only include page-aligned > + * ranges. > + */ > + npages = 0; > + sg = handle; > + for (i = 0; i < sg->sg_nseg; i++) { > + if ((sg->sg_segs[i].ss_paddr % PAGE_SIZE) != 0 || > + (sg->sg_segs[i].ss_len % PAGE_SIZE) != 0) > + return (NULL); > + npages += sg->sg_segs[i].ss_len / PAGE_SIZE; > + } > + > + /* > + * The scatter/gather list has a fixed size. Refuse requests > + * to map beyond that. > + */ > + size = round_page(size); > + pindex = OFF_TO_IDX(foff + size); > + if (pindex > npages) > + return (NULL); > + > + /* > + * Allocate a new object and associate it with the > + * scatter/gather list. It is ok for our purposes to have > + * multiple VM objects associated with the same scatter/gather > + * list because scatter/gather lists are static. This is also > + * simpler than ensuring a unique object per scatter/gather > + * list. > + */ > + object = vm_object_allocate(OBJT_SG, npages); > + object->handle = sglist_hold(sg); > + TAILQ_INIT(&object->un_pager.sgp.sgp_pglist); > + return (object); > +} > + > +static void > +sg_pager_dealloc(vm_object_t object) > +{ > + struct sglist *sg; > + vm_page_t m; > + > + /* > + * Free up our fake pages. > + */ > + while ((m = TAILQ_FIRST(&object->un_pager.sgp.sgp_pglist)) != 0) { > + TAILQ_REMOVE(&object->un_pager.sgp.sgp_pglist, m, pageq); > + sg_pager_putfake(m); > + } > + > + sg = object->handle; > + sglist_free(sg); > +} > + > +static int > +sg_pager_getpages(vm_object_t object, vm_page_t *m, int count, int reqpage) > +{ > + struct sglist *sg; > + vm_page_t m_paddr, page; > + vm_pindex_t offset; > + vm_paddr_t paddr; > + vm_memattr_t memattr; > + size_t space; > + int i; > + > + VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); > + sg = object->handle; > + memattr = object->memattr; > + VM_OBJECT_UNLOCK(object); > + offset = m[reqpage]->pindex; > + > + /* > + * Lookup the physical address of the requested page. An initial > + * value of '1' instead of '0' is used so we can assert that the > + * page is found since '0' can be a valid page-aligned physical > + * address. > + */ > + space = 0; > + paddr = 1; > + for (i = 0; i < sg->sg_nseg; i++) { > + if (space + sg->sg_segs[i].ss_len <= (offset * PAGE_SIZE)) { > + space += sg->sg_segs[i].ss_len; > + continue; > + } > + paddr = sg->sg_segs[i].ss_paddr + offset * PAGE_SIZE - space; > + break; > + } > + KASSERT(paddr != 1, ("invalid SG page index")); > + > + /* If "paddr" is a real page, perform a sanity check on "memattr". */ > + if ((m_paddr = vm_phys_paddr_to_vm_page(paddr)) != NULL && > + pmap_page_get_memattr(m_paddr) != memattr) { > + memattr = pmap_page_get_memattr(m_paddr); > + printf( > + "WARNING: A device driver has set \"memattr\" inconsistently.\n"); > + } > + > + /* Return a fake page for the requested page. */ > + KASSERT(!(m[reqpage]->flags & PG_FICTITIOUS), > + ("backing page for SG is fake")); > + > + /* Construct a new fake page. */ > + printf("SG: getting fake page for paddr %lx\n", paddr); > + page = sg_pager_getfake(paddr, memattr); > + VM_OBJECT_LOCK(object); > + TAILQ_INSERT_TAIL(&object->un_pager.sgp.sgp_pglist, page, pageq); > + > + /* Free the original pages and insert this fake page into the object. */ > + vm_page_lock_queues(); > + for (i = 0; i < count; i++) { > + printf("SG: freeing VM page %p\n", m[i]); > + vm_page_free(m[i]); > + } > + vm_page_unlock_queues(); > + printf("SG: Inserting new fake page\n"); > + vm_page_insert(page, object, offset); > + m[reqpage] = page; > + > + return (VM_PAGER_OK); > +} > + > +static void > +sg_pager_putpages(vm_object_t object, vm_page_t *m, int count, > + boolean_t sync, int *rtvals) > +{ > + > + panic("sg_pager_putpage called"); > +} > + > +static boolean_t > +sg_pager_haspage(vm_object_t object, vm_pindex_t pindex, int *before, > + int *after) > +{ > + > + if (before != NULL) > + *before = 0; > + if (after != NULL) > + *after = 0; > + return (TRUE); > +} > + > +/* > + * Create a fictitious page with the specified physical address and memory > + * attribute. The memory attribute is the only the machine-dependent aspect > + * of a fictitious page that must be initialized. > + */ > +static vm_page_t > +sg_pager_getfake(vm_paddr_t paddr, vm_memattr_t memattr) > +{ > + vm_page_t m; > + > + m = uma_zalloc(fakepg_zone, M_WAITOK | M_ZERO); > + m->phys_addr = paddr; > + /* Fictitious pages don't use "segind". */ > + m->flags = PG_FICTITIOUS; > + /* Fictitious pages don't use "order" or "pool". */ > + m->oflags = VPO_BUSY; > + m->wire_count = 1; > + pmap_page_set_memattr(m, memattr); > + return (m); > +} > + > +static void > +sg_pager_putfake(vm_page_t m) > +{ > + > + if (!(m->flags & PG_FICTITIOUS)) > + panic("sg_pager_putfake: bad page"); > + uma_zfree(fakepg_zone, m); > +} > > Modified: head/sys/vm/vm.h > ============================================================================== > --- head/sys/vm/vm.h Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm.h Fri Jul 24 13:50:29 2009 (r195840) > @@ -89,7 +89,7 @@ typedef u_char vm_prot_t; /* protection > #define VM_PROT_DEFAULT VM_PROT_ALL > > enum obj_type { OBJT_DEFAULT, OBJT_SWAP, OBJT_VNODE, OBJT_DEVICE, OBJT_PHYS, > - OBJT_DEAD }; > + OBJT_DEAD, OBJT_SG }; > typedef u_char objtype_t; > > union vm_map_object; > > Modified: head/sys/vm/vm_fault.c > ============================================================================== > --- head/sys/vm/vm_fault.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_fault.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -472,7 +472,8 @@ readrest: > (fs.first_object == fs.object || > (is_first_object_locked = VM_OBJECT_TRYLOCK(fs.first_object))) && > fs.first_object->type != OBJT_DEVICE && > - fs.first_object->type != OBJT_PHYS) { > + fs.first_object->type != OBJT_PHYS && > + fs.first_object->type != OBJT_SG) { > vm_pindex_t firstpindex, tmppindex; > > if (fs.first_pindex < 2 * VM_FAULT_READ) > > Modified: head/sys/vm/vm_map.c > ============================================================================== > --- head/sys/vm/vm_map.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_map.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -1719,7 +1719,7 @@ vm_map_pmap_enter(vm_map_t map, vm_offse > if ((prot & (VM_PROT_READ | VM_PROT_EXECUTE)) == 0 || object == NULL) > return; > VM_OBJECT_LOCK(object); > - if (object->type == OBJT_DEVICE) { > + if (object->type == OBJT_DEVICE || object->type == OBJT_SG) { > pmap_object_init_pt(map->pmap, addr, object, pindex, size); > goto unlock_return; > } > @@ -2247,7 +2247,8 @@ done: > */ > vm_fault_unwire(map, entry->start, entry->end, > entry->object.vm_object != NULL && > - entry->object.vm_object->type == OBJT_DEVICE); > + (entry->object.vm_object->type == OBJT_DEVICE || > + entry->object.vm_object->type == OBJT_SG)); > } > } > KASSERT(entry->eflags & MAP_ENTRY_IN_TRANSITION, > @@ -2366,7 +2367,8 @@ vm_map_wire(vm_map_t map, vm_offset_t st > saved_start = entry->start; > saved_end = entry->end; > fictitious = entry->object.vm_object != NULL && > - entry->object.vm_object->type == OBJT_DEVICE; > + (entry->object.vm_object->type == OBJT_DEVICE || > + entry->object.vm_object->type == OBJT_SG); > /* > * Release the map lock, relying on the in-transition > * mark. > @@ -2462,7 +2464,8 @@ done: > */ > vm_fault_unwire(map, entry->start, entry->end, > entry->object.vm_object != NULL && > - entry->object.vm_object->type == OBJT_DEVICE); > + (entry->object.vm_object->type == OBJT_DEVICE || > + entry->object.vm_object->type == OBJT_SG)); > } > } > next_entry_done: > @@ -2595,7 +2598,8 @@ vm_map_entry_unwire(vm_map_t map, vm_map > { > vm_fault_unwire(map, entry->start, entry->end, > entry->object.vm_object != NULL && > - entry->object.vm_object->type == OBJT_DEVICE); > + (entry->object.vm_object->type == OBJT_DEVICE || > + entry->object.vm_object->type == OBJT_SG)); > entry->wired_count = 0; > } > > > Modified: head/sys/vm/vm_meter.c > ============================================================================== > --- head/sys/vm/vm_meter.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_meter.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -205,7 +205,7 @@ vmtotal(SYSCTL_HANDLER_ARGS) > * synchronization should not impair the accuracy of > * the reported statistics. > */ > - if (object->type == OBJT_DEVICE) { > + if (object->type == OBJT_DEVICE || object->type == OBJT_SG) { > /* > * Devices, like /dev/mem, will badly skew our totals. > */ > > Modified: head/sys/vm/vm_object.c > ============================================================================== > --- head/sys/vm/vm_object.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_object.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -309,6 +309,7 @@ vm_object_set_memattr(vm_object_t object > case OBJT_DEFAULT: > case OBJT_DEVICE: > case OBJT_PHYS: > + case OBJT_SG: > case OBJT_SWAP: > case OBJT_VNODE: > if (!TAILQ_EMPTY(&object->memq)) > > Modified: head/sys/vm/vm_object.h > ============================================================================== > --- head/sys/vm/vm_object.h Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_object.h Fri Jul 24 13:50:29 2009 (r195840) > @@ -124,6 +124,15 @@ struct vm_object { > } devp; > > /* > + * SG pager > + * > + * sgp_pglist - list of allocated pages > + */ > + struct { > + TAILQ_HEAD(, vm_page) sgp_pglist; > + } sgp; > + > + /* > * Swap pager > * > * swp_bcount - number of swap 'swblock' metablocks, each > > Modified: head/sys/vm/vm_page.c > ============================================================================== > --- head/sys/vm/vm_page.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_page.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -1163,7 +1163,7 @@ vm_page_alloc(vm_object_t object, vm_pin > if (object != NULL) { > /* Ignore device objects; the pager sets "memattr" for them. */ > if (object->memattr != VM_MEMATTR_DEFAULT && > - object->type != OBJT_DEVICE) > + object->type != OBJT_DEVICE && object->type != OBJT_SG) > pmap_page_set_memattr(m, object->memattr); > vm_page_insert(m, object, pindex); > } else > > Modified: head/sys/vm/vm_pageout.c > ============================================================================== > --- head/sys/vm/vm_pageout.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_pageout.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -513,7 +513,9 @@ vm_pageout_object_deactivate_pages(pmap, > int actcount, rcount, remove_mode; > > VM_OBJECT_LOCK_ASSERT(first_object, MA_OWNED); > - if (first_object->type == OBJT_DEVICE || first_object->type == OBJT_PHYS) > + if (first_object->type == OBJT_DEVICE || > + first_object->type == OBJT_SG || > + first_object->type == OBJT_PHYS) > return; > for (object = first_object;; object = backing_object) { > if (pmap_resident_count(pmap) <= desired) > > Modified: head/sys/vm/vm_pager.c > ============================================================================== > --- head/sys/vm/vm_pager.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_pager.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -160,7 +160,8 @@ struct pagerops *pagertab[] = { > &vnodepagerops, /* OBJT_VNODE */ > &devicepagerops, /* OBJT_DEVICE */ > &physpagerops, /* OBJT_PHYS */ > - &deadpagerops /* OBJT_DEAD */ > + &deadpagerops, /* OBJT_DEAD */ > + &sgpagerops /* OBJT_SG */ > }; > > static const int npagers = sizeof(pagertab) / sizeof(pagertab[0]); > > Modified: head/sys/vm/vm_pager.h > ============================================================================== > --- head/sys/vm/vm_pager.h Fri Jul 24 13:40:25 2009 (r195839) > +++ head/sys/vm/vm_pager.h Fri Jul 24 13:50:29 2009 (r195840) > @@ -70,6 +70,7 @@ extern struct pagerops swappagerops; > extern struct pagerops vnodepagerops; > extern struct pagerops devicepagerops; > extern struct pagerops physpagerops; > +extern struct pagerops sgpagerops; > > /* > * get/put return values > > Modified: head/usr.bin/procstat/procstat_vm.c > ============================================================================== > --- head/usr.bin/procstat/procstat_vm.c Fri Jul 24 13:40:25 2009 (r195839) > +++ head/usr.bin/procstat/procstat_vm.c Fri Jul 24 13:50:29 2009 (r195840) > @@ -93,6 +93,9 @@ procstat_vm(pid_t pid, struct kinfo_proc > case KVME_TYPE_DEAD: > str = "dd"; > break; > + case KVME_TYPE_SG: > + str = "sg"; > + break; > case KVME_TYPE_UNKNOWN: > default: > str = "??"; >
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