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| author | Lukas Bulwahn <lukas.bulwahn@gmail.com> | 2020-12-14 19:07:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-15 12:13:40 -0800 |
| commit | fe6960cb387ff644ec9a1d19e7179e1a29df885e (patch) | |
| tree | f597c11b1237f8b396fd6097506080e24627b88a | |
| parent | 13064781304eb544066b9da403c95d05c0ea3624 (diff) | |
| download | linux-stable-fe6960cb387ff644ec9a1d19e7179e1a29df885e.tar.gz linux-stable-fe6960cb387ff644ec9a1d19e7179e1a29df885e.tar.bz2 linux-stable-fe6960cb387ff644ec9a1d19e7179e1a29df885e.zip | |
mm: memcg: remove obsolete memcg_has_children()
Commit 2ef1bf118c40 ("mm: memcg: deprecate the non-hierarchical mode")
removed the only use of memcg_has_children() in
mem_cgroup_hierarchy_write() as part of the feature deprecation.
Hence, since then, make CC=clang W=1 warns:
mm/memcontrol.c:3421:20: warning: unused function 'memcg_has_children' [-Wunused-function]
Simply remove this obsolete unused function.
Link: https://lkml.kernel.org/r/20201116055043.20886-1-lukas.bulwahn@gmail.com
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/memcontrol.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fc18a2b7d25a..ce19e8484c89 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3454,19 +3454,6 @@ unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order, } /* - * Test whether @memcg has children, dead or alive. - */ -static inline bool memcg_has_children(struct mem_cgroup *memcg) -{ - bool ret; - - rcu_read_lock(); - ret = css_next_child(NULL, &memcg->css); - rcu_read_unlock(); - return ret; -} - -/* * Reclaims as many pages from the given memcg as possible. * * Caller is responsible for holding css reference for memcg. |