linux-kernel - Re: [PATCH] thp: Remove unused vma parameter from khugepaged_alloc

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Message-ID: <20151028170836.GA18188@atomlin.usersys.redhat.com>
Date:	Wed, 28 Oct 2015 17:08:36 +0000
From:	Aaron Tomlin <atomlin@...hat.com>
To:	akpm@...ux-foundation.org
Cc:	riel@...hat.com, lwoodman@...hat.com, aarcange@...hat.com,
	kirill.shutemov@...ux.intel.com, mgorman@...e.de, vbabka@...e.cz,
	willy@...ux.intel.com, aneesh.kumar@...ux.vnet.ibm.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thp: Remove unused vma parameter from
 khugepaged_alloc_page

On Wed 2015-10-28 17:05 +0000, Aaron Tomlin wrote:
> The "vma" parameter to khugepaged_alloc_page() is unused.
> It has to remain unused or the drop read lock 'map_sem' optimisation
> introduce by commit 8b1645685acf ("thp: introduce khugepaged_prealloc_page
> and khugepaged_alloc_page") wouldn't be possible. So let's remove it.

Self nack due to incorrect commit message.

-- 
Aaron Tomlin
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