diff options
| author | Johannes Weiner <[email protected]> | 2014-04-07 15:37:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-04-07 16:35:56 -0700 |
| commit | df381975463996178d685f6ef7d3555c5f887201 (patch) | |
| tree | 22fd4f923fc2cc1ed1d7c4aa94039452ce6123e5 /include/linux | |
| parent | 03583f1a631c0511dfd2f16e716d5b40f675de5a (diff) | |
memcg: get_mem_cgroup_from_mm()
Instead of returning NULL from try_get_mem_cgroup_from_mm() when the mm
owner is exiting, just return root_mem_cgroup. This makes sense for all
callsites and gets rid of some of them having to fallback manually.
[[email protected]: fix warnings]
Signed-off-by: Johannes Weiner <[email protected]>
Signed-off-by: Fengguang Wu <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/memcontrol.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index eccfb4a4b379..134636f835f7 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -94,7 +94,6 @@ bool task_in_mem_cgroup(struct task_struct *task, extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page); extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p); -extern struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm); extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg); extern struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *css); @@ -294,11 +293,6 @@ static inline struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page) return NULL; } -static inline struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm) -{ - return NULL; -} - static inline bool mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *memcg) { |