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mm, dax: convert vmf_insert_pfn_pmd() to pfn_t

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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>
This commit is contained in:
Dan Williams
2016-01-15 16:56:43 -08:00
committed by Linus Torvalds
parent 01c8f1c44b
commit f25748e3c3
8 changed files with 30 additions and 11 deletions
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2
fs/dax.c
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@@ -693,7 +693,7 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address,
dax_unmap_atomic(bdev, &dax);
result |= vmf_insert_pfn_pmd(vma, address, pmd,
pfn_t_to_pfn(dax.pfn), write);
dax.pfn, write);
}
out: