Re: lot of MemAvailable but falling cache and raising PSI

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

 



On Tue 10-09-19 11:37:19, Stefan Priebe - Profihost AG wrote:
> 
> Am 10.09.19 um 11:02 schrieb Michal Hocko:
> > On Tue 10-09-19 10:38:25, Stefan Priebe - Profihost AG wrote:
[...]
> >> /sys/kernel/mm/transparent_hugepage/defrag:always defer [defer+madvise]
> >> madvise never
[...]
> > Many processes hitting the reclaim are php5 others I cannot say because
> > their cmd is not reflected in the trace. I suspect those are using
> > madvise. I haven't really seen kcompactd interfering much. That would
> > suggest using defer.
> 
> You mean i should set transparent_hugepage to defer?

Let's try with 5.3 without any changes first and then if the problem is
still reproducible then limit the THP load by setting
transparent_hugepage to defer.
-- 
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