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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
| commit | b907a8622e39eecfc4b243f3be3ad26559d1faee (patch) | |
| tree | b99ead386fccde5ea8252b5b5ebff8ffd83cd03d /mm | |
| parent | 68f052d01b53b858897d80beb0095920abe5868e (diff) | |
Linux-libre 4.6.3-gnupck-4.6.3-gnu
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 3 | ||||
| -rw-r--r-- | mm/swap_state.c | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fe787f5c4..a2e79b839 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2877,6 +2877,7 @@ static void memcg_offline_kmem(struct mem_cgroup *memcg) * ordering is imposed by list_lru_node->lock taken by * memcg_drain_all_list_lrus(). */ + rcu_read_lock(); /* can be called from css_free w/o cgroup_mutex */ css_for_each_descendant_pre(css, &memcg->css) { child = mem_cgroup_from_css(css); BUG_ON(child->kmemcg_id != kmemcg_id); @@ -2884,6 +2885,8 @@ static void memcg_offline_kmem(struct mem_cgroup *memcg) if (!memcg->use_hierarchy) break; } + rcu_read_unlock(); + memcg_drain_all_list_lrus(kmemcg_id, parent->kmemcg_id); memcg_free_cache_id(kmemcg_id); diff --git a/mm/swap_state.c b/mm/swap_state.c index 366ce3518..1155a6831 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -252,7 +252,10 @@ static inline void free_swap_cache(struct page *page) void free_page_and_swap_cache(struct page *page) { free_swap_cache(page); - put_page(page); + if (is_huge_zero_page(page)) + put_huge_zero_page(); + else + put_page(page); } /* |