Re: [PATCH] proc.5: Document inaccurate RSS due to SPLIT_RSS_COUNTING

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On Mon 12-10-20 13:49:40, Jann Horn wrote:
> Since 34e55232e59f7b19050267a05ff1226e5cd122a5 (introduced back in
> v2.6.34), Linux uses per-thread RSS counters to reduce cache contention on
> the per-mm counters. With a 4K page size, that means that you can end up
> with the counters off by up to 252KiB per thread.

Do we actually have any strong case to keep this exception to the
accounting? 
-- 
Michal Hocko
SUSE Labs



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