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SubjectRe: [PATCH 6/7] mm: memcontrol: move obj_cgroup_uncharge_pages() out of css_set_lock
On Tue, Apr 13, 2021 at 02:51:52PM +0800, Muchun Song wrote:
> The css_set_lock is used to guard the list of inherited objcgs. So there
> is no need to uncharge kernel memory under css_set_lock. Just move it
> out of the lock.
>
> Signed-off-by: Muchun Song <songmuchun@bytedance.com>

Acked-by: Johannes Weiner <hannes@cmpxchg.org>

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