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authorNing Qu <quning@google.com>2014-04-07 15:37:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:35:53 -0700
commitd7c1755179b82d954f593ca5285b9360f2f62e9c (patch)
tree72158dbcc2afab33ad71bc1d56f5c666965336a1 /mm
parent1592eef01505177ed50149795a1560ec5a139df1 (diff)
downloadlinux-d7c1755179b82d954f593ca5285b9360f2f62e9c.tar.gz
mm: implement ->map_pages for shmem/tmpfs
In shmem/tmpfs, we also use the generic filemap_map_pages, seems the
additional checking is not worth a separate version of map_pages for it.

Signed-off-by: Ning Qu <quning@google.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/shmem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index a3ba988ec946..70709347a1e2 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2723,6 +2723,7 @@ static const struct super_operations shmem_ops = {
 
 static const struct vm_operations_struct shmem_vm_ops = {
 	.fault		= shmem_fault,
+	.map_pages	= filemap_map_pages,
 #ifdef CONFIG_NUMA
 	.set_policy     = shmem_set_policy,
 	.get_policy     = shmem_get_policy,