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-rw-r--r--mm/memcontrol.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3be1afab8523..17a79e5ed688 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -379,7 +379,6 @@ static bool move_file(void)
enum charge_type {
MEM_CGROUP_CHARGE_TYPE_CACHE = 0,
MEM_CGROUP_CHARGE_TYPE_ANON,
- MEM_CGROUP_CHARGE_TYPE_SHMEM, /* used by page migration of shmem */
MEM_CGROUP_CHARGE_TYPE_SWAPOUT, /* for accounting swapcache */
MEM_CGROUP_CHARGE_TYPE_DROP, /* a page was unused swap cache */
NR_CHARGE_TYPE,
@@ -2902,8 +2901,6 @@ int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
if (unlikely(!mm))
mm = &init_mm;
- if (!page_is_file_cache(page))
- type = MEM_CGROUP_CHARGE_TYPE_SHMEM;
if (!PageSwapCache(page))
ret = mem_cgroup_charge_common(page, mm, gfp_mask, type);
@@ -3310,10 +3307,8 @@ void mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
*/
if (PageAnon(page))
ctype = MEM_CGROUP_CHARGE_TYPE_ANON;
- else if (page_is_file_cache(page))
- ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
else
- ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
+ ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
/*
* The page is committed to the memcg, but it's not actually
* charged to the res_counter since we plan on replacing the
@@ -3407,10 +3402,6 @@ void mem_cgroup_replace_page_cache(struct page *oldpage,
*/
if (!memcg)
return;
-
- if (PageSwapBacked(oldpage))
- type = MEM_CGROUP_CHARGE_TYPE_SHMEM;
-
/*
* Even if newpage->mapping was NULL before starting replacement,
* the newpage may be on LRU(or pagevec for LRU) already. We lock