linux-kernel - Re: [PATCHv9-rebased2 03/37] mm, thp: fix locking inconsistency in collapse_huge

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Date:	Thu, 16 Jun 2016 09:43:07 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Ebru Akagunduz <ebru.akagunduz@...il.com>
Cc:	Hugh Dickins <hughd@...gle.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Hansen <dave.hansen@...el.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Christoph Lameter <cl@...two.org>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Jerome Marchand <jmarchan@...hat.com>,
	Yang Shi <yang.shi@...aro.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	Andres Lagar-Cavilla <andreslc@...gle.com>,
	Ning Qu <quning@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCHv9-rebased2 03/37] mm, thp: fix locking inconsistency in
 collapse_huge_page

Hello,

On (06/15/16 23:06), Kirill A. Shutemov wrote:
[..]
> After creating revalidate vma function, locking inconsistency occured
> due to directing the code path to wrong label. This patch directs
> to correct label and fix the inconsistency.
> 
> Related commit that caused inconsistency:
> http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=da4360877094368f6dfe75bbe804b0f0a5d575b0


as far as I remember, Vlastimil had "one more thing" to ask
http://marc.info/?l=linux-mm&m=146521832732210&w=2

or is it safe?


	-ss