linux-kernel - Re: [PATCH v3 1/2] thp: add HPAGE_PMD_* definitions for !CONFIG_TRANSPARENT

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Message-ID: <alpine.DEB.2.00.1203091547550.2419@chino.kir.corp.google.com>
Date:	Fri, 9 Mar 2012 15:49:08 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
cc:	linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>,
	Hillf Danton <dhillf@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] thp: add HPAGE_PMD_* definitions for
 !CONFIG_TRANSPARENT_HUGEPAGE

On Fri, 2 Mar 2012, Naoya Horiguchi wrote:

> These macros will be used in later patch, where all usage are expected
> to be optimized away without #ifdef CONFIG_TRANSPARENT_HUGEPAGE.
> But to detect unexpected usages, we convert existing BUG() to BUILD_BUG().
> 
> Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Acked-by: Hillf Danton <dhillf@...il.com>
> Reviewed-by: Andrea Arcangeli <aarcange@...hat.com>

Acked-by: David Rientjes <rientjes@...gle.com>
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