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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
parent1592eef01505177ed50149795a1560ec5a139df1 (diff)
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op-kernel-dev-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>
-rw-r--r--mm/shmem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index a3ba988..7070934 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,
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