[PATCH] mm: use pgprot_val to access vm_page_prot

From: Sasha Levin
Date: Sun Aug 31 2014 - 21:36:35 EST

pgprot is defined differently in every arch, use the per-arch pgprot_val
to access it.

This fixes a build failure on various arches such as tile and powerpc
caused by "mm: introduce dump_vma".

Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
mm/page_alloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index add97b8..1e1bd9a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6734,7 +6734,8 @@ void dump_vma(const struct vm_area_struct *vma)
"prot %lx anon_vma %p vm_ops %p\n"
"pgoff %lx file %p private_data %p\n",
vma, (void *)vma->vm_start, (void *)vma->vm_end, vma->vm_next,
- vma->vm_prev, vma->vm_mm, vma->vm_page_prot.pgprot,
+ vma->vm_prev, vma->vm_mm,
+ (unsigned long)pgprot_val(vma->vm_page_prot),
vma->anon_vma, vma->vm_ops, vma->vm_pgoff,
vma->vm_file, vma->vm_private_data);
dump_flags(vma->vm_flags, vmaflags_names, ARRAY_SIZE(vmaflags_names));

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