lkml.org 
[lkml]   [2009]   [May]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: kernel BUG at mm/slqb.c:1411!
Date
> On Wed, 2009-05-13 at 17:37 +0900, Minchan Kim wrote:
> > On Wed, 13 May 2009 16:42:37 +0900 (JST)
> > KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> >
> > Hmm. I don't know slqb well.
> > So, It's just my guess.
> >
> > We surely increase l->nr_partial in __slab_alloc_page.
> > In between l->nr_partial++ and call __cache_list_get_page, Who is decrease l->nr_partial again.
> > After all, __cache_list_get_page return NULL and hit the VM_BUG_ON.
> >
> > Comment said :
> >
> > /* Protects nr_partial, nr_slabs, and partial */
> > spinlock_t page_lock;
> >
> > As comment is right, We have to hold the l->page_lock ?
>
> Makes sense. Nick? Motohiro-san, can you try this patch please?

This issue is very rarely. please give me one night.





\
 
 \ /
  Last update: 2009-05-14 10:57    [W:1.554 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site