On 2021/3/6 1:38, Kirill A. Shutemov wrote:
> On Thu, Mar 04, 2021 at 07:30:12AM -0500, Miaohe Lin wrote:
>> Since commit 7ae88534cdd9 ("mm: move mem_cgroup_uncharge out of
>> __page_cache_release()"), the mem_cgroup will be uncharged when hpage is
>> freed. Uncharge mem_cgroup here is harmless
On Thu, Mar 04, 2021 at 07:30:12AM -0500, Miaohe Lin wrote:
> Since commit 7ae88534cdd9 ("mm: move mem_cgroup_uncharge out of
> __page_cache_release()"), the mem_cgroup will be uncharged when hpage is
> freed. Uncharge mem_cgroup here is harmless but it looks confusing and
> buggy: if mem_cgroup
Since commit 7ae88534cdd9 ("mm: move mem_cgroup_uncharge out of
__page_cache_release()"), the mem_cgroup will be uncharged when hpage is
freed. Uncharge mem_cgroup here is harmless but it looks confusing and
buggy: if mem_cgroup charge failed, we will call mem_cgroup_uncharge()
uncorrectly in
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