linux-kernel - Re: [PATCH 1/7] hugetlb, rmap: add reverse mapping for hugepage

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Date:	Wed, 26 May 2010 11:19:58 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	Mel Gorman <mel@....ul.ie>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Larry Woodman <lwoodman@...hat.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>
Subject: Re: [PATCH 1/7] hugetlb, rmap: add reverse mapping for hugepage


Mel, other than this nit are you happy with these changes now?

> > It adds another header dependency which is bad but moving hugetlb stuff
> > into mm.h seems bad too.
> 
> I have another choice to move the definition of is_vm_hugetlb_page() into
> mm/hugetlb.c and introduce declaration of this function to pagemap.h,
> but this needed a bit ugly #ifdefs and I didn't like it.
> If putting hugetlb code in mm.h is worse, I'll take the second choice
> in the next post.

You could always create a new include file hugetlb-inlines.h

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