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SubjectRe: [PATCH 0/3] mm,thp,rmap: rework the use of subpages_mapcount
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On Fri, Nov 18, 2022 at 01:08:13AM -0800, Hugh Dickins wrote:
> Linus was underwhelmed by the earlier compound mapcounts series:
> this series builds on top of it (as in next-20221117) to follow
> up on his suggestions - except rmap.c still using lock_page_memcg(),
> since I hesitate to steal the pleasure of deletion from Johannes.
>

Is there a plan to remove lock_page_memcg() altogether which I missed? I
am planning to make lock_page_memcg() a nop for cgroup-v2 (as it shows
up in the perf profile on exit path) but if we are removing it then I
should just wait.

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