Date: Mon, 27 Mar 2017 17:09:11 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r316034 - head/sys/compat/linuxkpi/common/src Message-ID: <201703271709.v2RH9Bb9084488@repo.freebsd.org>
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Author: hselasky Date: Mon Mar 27 17:09:11 2017 New Revision: 316034 URL: https://svnweb.freebsd.org/changeset/base/316034 Log: Add more platforms supporting the direct map feature in the LinuxKPI. MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/compat/linuxkpi/common/src/linux_page.c Modified: head/sys/compat/linuxkpi/common/src/linux_page.c ============================================================================== --- head/sys/compat/linuxkpi/common/src/linux_page.c Mon Mar 27 17:04:11 2017 (r316033) +++ head/sys/compat/linuxkpi/common/src/linux_page.c Mon Mar 27 17:09:11 2017 (r316034) @@ -63,10 +63,16 @@ __FBSDID("$FreeBSD$"); #include <linux/mm.h> #include <linux/preempt.h> +#if defined(__amd64__) || defined(__aarch64__) || defined(__riscv__) +#define LINUXKPI_HAVE_DMAP +#else +#undef LINUXKPI_HAVE_DMAP +#endif + void * linux_page_address(struct page *page) { -#ifdef __amd64__ +#ifdef LINUXKPI_HAVE_DMAP return ((void *)PHYS_TO_DMAP(VM_PAGE_TO_PHYS(page))); #else if (page->object != kmem_object && page->object != kernel_object) @@ -79,7 +85,7 @@ linux_page_address(struct page *page) vm_page_t linux_alloc_pages(gfp_t flags, unsigned int order) { -#ifdef __amd64__ +#ifdef LINUXKPI_HAVE_DMAP unsigned long npages = 1UL << order; int req = (flags & M_ZERO) ? (VM_ALLOC_ZERO | VM_ALLOC_NOOBJ | VM_ALLOC_NORMAL) : (VM_ALLOC_NOOBJ | VM_ALLOC_NORMAL); @@ -137,7 +143,7 @@ retry: void linux_free_pages(vm_page_t page, unsigned int order) { -#ifdef __amd64__ +#ifdef LINUXKPI_HAVE_DMAP unsigned long npages = 1UL << order; unsigned long x;
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