From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH 01/11] DIO: Separate fields only used in the submission path from struct dio
Date: Mon, 8 Aug 2011 21:43:00 +0200
Message-ID: <20110808194300.GN5782@one.firstfloor.org>
References: <1312259893-4548-1-git-send-email-andi@firstfloor.org> <1312259893-4548-2-git-send-email-andi@firstfloor.org> <x497h6niy37.fsf@segfault.boston.devel.redhat.com>
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Cc: Andi Kleen <andi@firstfloor.org>, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, hch@infradead.org,
	Andi Kleen <ak@linux.intel.com>
To: Jeff Moyer <jmoyer@redhat.com>
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> The pages array is only used on submission.  Why did it land in the
> struct dio? 

It's too large for the stack.

-Andi