diff options
| author | ZhangPeng <zhangpeng362@huawei.com> | 2023-06-16 14:30:30 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-19 16:19:35 -0700 |
| commit | 025b7799b35d32e46988ba0614ea2f91b85d6375 (patch) | |
| tree | 244d2183983278b875f9fbac4e096248111b4d22 /mm/memcontrol.c | |
| parent | aa13779be6b7d1ce0e6ba96b400b351de6f1a326 (diff) | |
mm/memcg: remove return value of mem_cgroup_scan_tasks()
No user checks the return value of mem_cgroup_scan_tasks(). Make the
return value void.
Link: https://lkml.kernel.org/r/20230616063030.977586-1-zhangpeng362@huawei.com
Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index cf06b1c9b3bb..a834b1edcde9 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1259,13 +1259,13 @@ static void invalidate_reclaim_iterators(struct mem_cgroup *dead_memcg) * * This function iterates over tasks attached to @memcg or to any of its * descendants and calls @fn for each task. If @fn returns a non-zero - * value, the function breaks the iteration loop and returns the value. - * Otherwise, it will iterate over all tasks and return 0. + * value, the function breaks the iteration loop. Otherwise, it will iterate + * over all tasks and return 0. * * This function must not be called for the root memory cgroup. */ -int mem_cgroup_scan_tasks(struct mem_cgroup *memcg, - int (*fn)(struct task_struct *, void *), void *arg) +void mem_cgroup_scan_tasks(struct mem_cgroup *memcg, + int (*fn)(struct task_struct *, void *), void *arg) { struct mem_cgroup *iter; int ret = 0; @@ -1285,7 +1285,6 @@ int mem_cgroup_scan_tasks(struct mem_cgroup *memcg, break; } } - return ret; } #ifdef CONFIG_DEBUG_VM |