From: Jérôme Glisse <jgli...@redhat.com>
Pass down the mapping ...
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Mel Gorman <mgor...@techsingularity.net>
Cc: linux...@kvack.org
Cc: Alexander Viro <v...@zeniv.linux.org.uk>
Cc: linux-fsde...@vger.kernel.org
---
mm/internal.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/internal.h b/mm/internal.h
index e6bd35182dae..43e9ed27362f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -336,7 +336,9 @@ extern pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct
vm_area_struct *vma);
static inline unsigned long
__vma_address(struct page *page, struct vm_area_struct *vma)
{
- pgoff_t pgoff = page_to_pgoff(page);
+ struct address_space *mapping = vma->vm_file ? vma->vm_file->f_mapping
: NULL;
+
+ pgoff_t pgoff = _page_to_pgoff(page, mapping);
return vma->vm_start + ((pgoff - vma->vm_pgoff) << PAGE_SHIFT);
}
--
2.14.3
