Re: [PATCH] fix unused/stale swap cache handling on memcg v2

[Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>]

On Thu, 19 Mar 2009 19:01:18 +0900, Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
> On Thu, 19 Mar 2009 18:06:31 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> > Core logic are much improved and I confirmed this logic can reduce
> > orphan swap-caches. (But the patch size is bigger than expected.)
> > Long term test is required and we have to verify paramaters are reasonable
> > and whether this doesn't make swapped-out applications slow..
> > 
> Thank you for your patch.
> I'll test this version and check what happens about swapcache usage.
> 
hmm... underflow of inactive_anon seems to happen after a while.
I've not done anything but causing memory pressure yet.

[nishimura@GibsonE ~]$ cat /cgroup/memory/01/memory.stat
cache 22994944
rss 10559488
pgpgin 2301009
pgpgout 2292817
active_anon 21004288
inactive_anon 18446744073709510656
active_file 1605632
inactive_file 10944512
unevictable 0
hierarchical_memory_limit 33554432
hierarchical_memsw_limit 50331648
inactive_ratio 1
recent_rotated_anon 857
recent_rotated_file 10
recent_scanned_anon 877
recent_scanned_file 400


Thanks,
Daisuke Nishimura.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>