Messages in this thread | | | Date | Tue, 24 Jun 2008 12:26:26 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [bad page] memcg: another bad page at page migration (2.6.26-rc5-mm3 + patch collection) |
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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
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