Re: oops in pgtable_trans_huge_withdraw

["Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>]

Dave Jones wrote:
> On Wed, Dec 11, 2013 at 04:40:42PM +0100, Vlastimil Babka wrote:
>  > On 12/06/2013 10:02 PM, Dave Jones wrote:
>  > > I've spent a few days enhancing trinity's use of mmap's, trying to make it
>  > > reproduce https://lkml.org/lkml/2013/12/4/499
>  > 
>  > FYI, I managed to reproduce that using trinity today,
>  > trinity was from git at commit e8912cc which is from Dec 09 so I guess 
>  > your enhancements were already there?
> 
> yep, everything I had pending is in HEAD now.
> 
>  > kernel was linux-next-20131209
>  > I was running trinity -c mmap -c munmap -c mremap -c remap_file_pages -c 
>  > mlock -c munlock
>  
> A shorthand for all those -c's is '-G vm'. (Though there might be a couple
> extra syscalls in the list too, madvise, mprotect etc).
> 
>  > Now I'm running with Kirill's patch, will post results later.
>  
> Seemed to fix it for me, I've not reproduced that particular bug since applying it.
> Kirill, is that on its way to Linus soon ?

It's in -mm tree for a week already.

Andrew, could you push it to Linus? More people steps on the bug.

-- 
 Kirill A. Shutemov

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