Date: Sat, 16 Oct 2010 11:19:31 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r213919 - stable/8/sys/kern Message-ID: <201010161119.o9GBJVD7074988@svn.freebsd.org>
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Author: avg Date: Sat Oct 16 11:19:31 2010 New Revision: 213919 URL: http://svn.freebsd.org/changeset/base/213919 Log: MFC r213527: vm.kmem_map_size: a sysctl to query current kmem_map->size Modified: stable/8/sys/kern/kern_malloc.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) Modified: stable/8/sys/kern/kern_malloc.c ============================================================================== --- stable/8/sys/kern/kern_malloc.c Sat Oct 16 10:45:36 2010 (r213918) +++ stable/8/sys/kern/kern_malloc.c Sat Oct 16 11:19:31 2010 (r213919) @@ -197,6 +197,11 @@ static u_int vm_kmem_size_scale; SYSCTL_UINT(_vm, OID_AUTO, kmem_size_scale, CTLFLAG_RDTUN, &vm_kmem_size_scale, 0, "Scale factor for kernel memory size"); +static int sysctl_kmem_map_size(SYSCTL_HANDLER_ARGS); +SYSCTL_PROC(_vm, OID_AUTO, kmem_map_size, + CTLFLAG_RD | CTLTYPE_ULONG | CTLFLAG_MPSAFE, NULL, 0, + sysctl_kmem_map_size, "LU", "Current kmem_map allocation size"); + /* * The malloc_mtx protects the kmemstatistics linked list. */ @@ -233,6 +238,15 @@ SYSCTL_INT(_debug_malloc, OID_AUTO, fail &malloc_failure_count, 0, "Number of imposed M_NOWAIT malloc failures"); #endif +static int +sysctl_kmem_map_size(SYSCTL_HANDLER_ARGS) +{ + u_long size; + + size = kmem_map->size; + return (sysctl_handle_long(oidp, &size, 0, req)); +} + int malloc_last_fail(void) {
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