linux-kernel - Re: [PATCH 6/9] mm: assert that get_page_unless

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Date:	Fri, 19 Aug 2011 16:28:53 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Michel Lespinasse <walken@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrea Arcangeli <aarcange@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Johannes Weiner <jweiner@...hat.com>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Shaohua Li <shaohua.li@...el.com>
Subject: Re: [PATCH 6/9] mm: assert that get_page_unless_zero() callers hold the rcu lock

Michel Lespinasse <walken@...gle.com> writes:
>
> Other call sites in memory_hotplug.c, memory_failure.c and hwpoison-inject.c
> are also exempted. It would be preferable if someone more familiar with

I see no reason why hwpoison-inject needs to be exempted. If it doesn't
hold rcu read lock it should.
-Andi

 

-- 
ak@...ux.intel.com -- Speaking for myself only
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