mm: memcg: make alloc_mem_cgroup_per_node_info() return bool
alloc_mem_cgroup_per_node_info() returns int that doesn't map to any errno error code. The only existing caller doesn't really need an error code so change the function to return bool (true on success) because this is slightly less confusing and more consistent with the other code. Link: https://lkml.kernel.org/r/20240507132324.1158510-1-xiujianfeng@huawei.com Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Shakeel Butt <shakeel.butt@linux.dev> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Roman Gushchin <roman.gushchin@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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