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| author | Vincenzo Frascino <vincenzo.frascino@arm.com> | 2020-04-02 06:07:13 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-02 18:35:28 +0200 |
| commit | c1514c0aac77eb4a2be5d05e4d982f7a9f43063d (patch) | |
| tree | 2b4b7f0b72396d61a0051251d2ba95dc4a17991d /mm/memcontrol.c | |
| parent | memcg: css_tryget_online cleanups (diff) | |
| download | linux-c1514c0aac77eb4a2be5d05e4d982f7a9f43063d.tar.xz linux-c1514c0aac77eb4a2be5d05e4d982f7a9f43063d.zip | |
mm/memcontrol.c: make mem_cgroup_id_get_many() __maybe_unused
mem_cgroup_id_get_many() is currently used only when MMU or MEMCG_SWAP
configuration options are enabled. Having them disabled triggers the
following warning at compile time:
linux/mm/memcontrol.c:4797:13: warning: `mem_cgroup_id_get_many' defined but not used [-Wunused-function]
static void mem_cgroup_id_get_many(struct mem_cgroup *memcg, unsigned int n)
Make mem_cgroup_id_get_many() __maybe_unused to address the issue.
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Chris Down <chris@chrisdown.name>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Link: http://lkml.kernel.org/r/20200305164354.48147-1-vincenzo.frascino@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6f64bff8fe17..badd043d58ac 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4863,7 +4863,8 @@ static void mem_cgroup_id_remove(struct mem_cgroup *memcg) } } -static void mem_cgroup_id_get_many(struct mem_cgroup *memcg, unsigned int n) +static void __maybe_unused mem_cgroup_id_get_many(struct mem_cgroup *memcg, + unsigned int n) { refcount_add(n, &memcg->id.ref); } |