linux-kernel - Re: [PATCH 34/34] mm/hugetlb: fix warning in alloc_huge_page/dequeue_huge_page

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Message-ID: <20120719202544.GB19392@burratino>
Date:	Thu, 19 Jul 2012 15:25:44 -0500
From:	Jonathan Nieder <jrnieder@...il.com>
To:	Mel Gorman <mgorman@...e.de>
Cc:	Stable <stable@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 34/34] mm/hugetlb: fix warning in
 alloc_huge_page/dequeue_huge_page_vma

Hi,

Mel Gorman wrote:

> From: Konstantin Khlebnikov <khlebnikov@...nvz.org>
>
> Stable note: Not tracked in Bugzilla. [get|put]_mems_allowed() is extremely
> 	expensive and severely impacted page allocator performance. This
> 	is part of a series of patches that reduce page allocator overhead.
>
> Fix a gcc warning (and bug?) introduced in cc9a6c877 ("cpuset: mm: reduce
> large amounts of memory barrier related damage v3")

I know the corresponding upstream commit was alluded to in the cover
letter, but please also mention it by name in the patch description.
Otherwise people reading the changelog will have no idea what's going
on.

Thanks and hope that helps,
Jonathan
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