lkml.org 
[lkml]   [2008]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [bad page] memcg: another bad page at page migration (2.6.26-rc5-mm3 + patch collection)
On Tue, 24 Jun 2008 12:22:57 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> On Tue, 24 Jun 2008 10:37:09 +0900
> Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
>
> > > I don't use shmem explicitly, but I'll test this patch anyway
> > > and report the result.
> > >
> > Unfortunately, this patch doesn't solve my problem, hum...
> > I'll dig more, too.
> > In my test, I don't use large amount of memory, so I think
> > no swap activities happens, perhaps.
> >
> Sigh, one hint in the log is
> ==
> Bad page state in process 'switch.sh'
> page:ffffe2000c8e59c0 flags:0x0200000000080018 mapping:000
> 0000000000000 mapcount:0 count:0
> cgroup:ffff81062a817050
> ==
>
> - the page was mapped one.
> - a page is swapbacked ....Anon or Shmem/tmpfs.
> - mapping is NULL
>
ignore this... free_hot_cold_page() clears page->mapping. (--;

-Kame



\
 
 \ /
  Last update: 2008-06-24 05:23    [W:0.039 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site