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authorDan Williams <dan.j.williams@intel.com>2016-01-15 19:56:43 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 20:56:32 -0500
commitf25748e3c34eb8bb54853e9adba2d3dcf030503c (patch)
tree1305448a2cc3c7f4bf0b0f7eb4bd9f9176fe8eca /arch/x86/mm
parent01c8f1c44b83a0825b573e7c723b033cece37b86 (diff)
mm, dax: convert vmf_insert_pfn_pmd() to pfn_t
Similar to the conversion of vm_insert_mixed() use pfn_t in the vmf_insert_pfn_pmd() to tag the resulting pte with _PAGE_DEVICE when the pfn is backed by a devm_memremap_pages() mapping. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave@sr71.net> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/pat.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 031782e74231..f4ae536b0914 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -12,6 +12,7 @@
12#include <linux/debugfs.h> 12#include <linux/debugfs.h>
13#include <linux/kernel.h> 13#include <linux/kernel.h>
14#include <linux/module.h> 14#include <linux/module.h>
15#include <linux/pfn_t.h>
15#include <linux/slab.h> 16#include <linux/slab.h>
16#include <linux/mm.h> 17#include <linux/mm.h>
17#include <linux/fs.h> 18#include <linux/fs.h>
@@ -949,7 +950,7 @@ int track_pfn_remap(struct vm_area_struct *vma, pgprot_t *prot,
949} 950}
950 951
951int track_pfn_insert(struct vm_area_struct *vma, pgprot_t *prot, 952int track_pfn_insert(struct vm_area_struct *vma, pgprot_t *prot,
952 unsigned long pfn) 953 pfn_t pfn)
953{ 954{
954 enum page_cache_mode pcm; 955 enum page_cache_mode pcm;
955 956
@@ -957,7 +958,7 @@ int track_pfn_insert(struct vm_area_struct *vma, pgprot_t *prot,
957 return 0; 958 return 0;
958 959
959 /* Set prot based on lookup */ 960 /* Set prot based on lookup */
960 pcm = lookup_memtype((resource_size_t)pfn << PAGE_SHIFT); 961 pcm = lookup_memtype(pfn_t_to_phys(pfn));
961 *prot = __pgprot((pgprot_val(vma->vm_page_prot) & (~_PAGE_CACHE_MASK)) | 962 *prot = __pgprot((pgprot_val(vma->vm_page_prot) & (~_PAGE_CACHE_MASK)) |
962 cachemode2protval(pcm)); 963 cachemode2protval(pcm));
963 964