Re: [PATCH v3 1/1] memcg/hugetlb: Adding hugeTLB counters to memcg

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On Wed, 30 Oct 2024 16:43:42 -0400 Joshua Hahn <joshua.hahnjy@xxxxxxxxx> wrote:

> I saw that it was merged into mm-unstable earlier yesterday. Would it
> be possible
> to add this block of text to the patch description right before the footnotes?
> 
> 3. Implementation Details:
> In the alloc / free hugetlb functions, we call lruvec_stat_mod_folio
> regardless of whether memcg accounts hugetlb. lruvec_stat_mod_folio
> keys off of folio->memcg which is only set up if the
> CGRP_ROOT_MEMORY_HUGETLB_ACCOUTING cgroup mount option is used, so
> it will not try to accumulate hugetlb unless the flag is set.
> This also ensures that memory.stat::hugetlb is the same as
> the share of memory.current that is used by hugetlb pages.

Thanks, done.

> And could you also update the list of signatures to reflect the
> responses on this version?
> Suggested-by: Nhat Pham <nphamcs@xxxxxxxxx>
> Suggested-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>
> Suggested-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Acked-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>
> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Acked-by: Chris Down <chris@xxxxxxxxxxxxxx>
> Reviewed-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
> Reviewed-by: Nhat Pham <nphamcs@xxxxxxxxx>
> Signed-off-by: Joshua Hahn <joshua.hahnjy@xxxxxxxxx>

Done2.  I already had all that, plus an ack from Chris Down.




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