[PATCH 1/1] mm: implement ->map_pages for shmem/tmpfs

[Ning Qu]

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@xxxxxxxxxx>
---
 mm/shmem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/shmem.c b/mm/shmem.c
index 1f18c9d..2ea4e89 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2783,6 +2783,7 @@ 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,
-- 
1.9.0.279.gdc9e3eb

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