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Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 4375b1e9bd56..7e7d25504651 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -408,7 +408,8 @@ void register_shrinker_prepared(struct shrinker *shrinker)
down_write(&shrinker_rwsem);
list_add_tail(&shrinker->list, &shrinker_list);
#ifdef CONFIG_MEMCG_KMEM
- idr_replace(&shrinker_idr, shrinker, shrinker->id);
+ if (shrinker->flags & SHRINKER_MEMCG_AWARE)
+ idr_replace(&shrinker_idr, shrinker, shrinker->id);
#endif
up_write(&shrinker_rwsem);
}
@@ -902,7 +903,7 @@ static int __remove_mapping(struct address_space *mapping, struct page *page,
refcount = 2;
if (!page_ref_freeze(page, refcount))
goto cannot_free;
- /* note: atomic_cmpxchg in page_freeze_refs provides the smp_rmb */
+ /* note: atomic_cmpxchg in page_ref_freeze provides the smp_rmb */
if (unlikely(PageDirty(page))) {
page_ref_unfreeze(page, refcount);
goto cannot_free;