linux-kernel - Re: [PATCH 0/2] kernel BUG at mm/huge

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Date:	Mon, 03 Dec 2012 14:02:28 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
CC:	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
	David Rientjes <rientjes@...gle.com>,
	Bob Liu <lliubbo@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH 0/2] kernel BUG at mm/huge_memory.c:212!

On 11/30/2012 04:03 PM, Kirill A. Shutemov wrote:
> From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
> 
> Hi Jiri,
> 
> Sorry for late answer. It took time to reproduce and debug the issue.
> 
> Could you test two patches below by thread. I expect it to fix both
> issues: put_huge_zero_page() and Bad rss-counter state.

Hi, yes, since applying the patches on the last Thu, it didn't recur.

> Kirill A. Shutemov (2):
>   thp: fix anononymous page accounting in fallback path for COW of HZP
>   thp: avoid race on multiple parallel page faults to the same page
> 
>  mm/huge_memory.c | 30 +++++++++++++++++++++++++-----
>  1 file changed, 25 insertions(+), 5 deletions(-)

thanks,
-- 
js
suse labs
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