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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux