linux-kernel - Re: [PATCH] md: avoid use of broken kzalloc mempool

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Message-ID: <87prbcr46t.fsf@basil.nowhere.org>
Date:	Mon, 03 Aug 2009 23:13:46 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Sage Weil <sage@...dream.net>
Cc:	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
	Neil Brown <neilb@...e.de>, <stable@...nel.org>
Subject: Re: [PATCH] md: avoid use of broken kzalloc mempool

Sage Weil <sage@...dream.net> writes:

> The kzalloc mempool does not re-zero items that have been used and then
> returned to the pool.  Manually zero the allocated multipath_bh instead.

Why not fix that in mempool instead? That would seem like the right place
to fix such a bug, instead of adding workarounds to all callers.

-Andi

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