linux-kernel - Re: [PATCH] Ensure that walk_page_range()'s start and end are page-aligned

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Message-ID: <87zkcm23az.fsf@caffeine.danplanet.com>
Date:	Mon, 13 Feb 2012 06:52:52 -0800
From:	Dan Smith <danms@...ibm.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Ensure that walk_page_range()'s start and end are page-aligned

DR> It doesn't "ensure" anything without CONFIG_DEBUG_VM enabled, which
DR> isn't the default.

Are you proposing a change in verbiage or a stronger check? A
VM_BUG_ON() seemed on par with other checks, such as the one in
get_user_pages_fast().

-- 
Dan Smith
IBM Linux Technology Center
email: danms@...ibm.com
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