linux-kernel - Re: [RFC] [PATCH v5 0/3] fadvise: support POSIX_FADV

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Message-ID: <CAJd=RBBQFuxUC4XvS7OaajzKq1Xh0yRjY62PaceWprob26N9QA@mail.gmail.com>
Date:	Sun, 12 Feb 2012 15:16:07 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Andrea Righi <andrea@...terlinux.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Johannes Weiner <jweiner@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Hugh Dickins <hughd@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: Re: [RFC] [PATCH v5 0/3] fadvise: support POSIX_FADV_NOREUSE

Hello Andrea

On Sun, Feb 12, 2012 at 8:21 AM, Andrea Righi <andrea@...terlinux.com> wrote:
[...]
>  - Some of the routines to implement the generic interval tree has been taken
>   from the x86 PAT code, that uses interval trees to keep track of PAT ranges
>   (in the future it would be interesting to convert also the x86 PAT code to
>   use the generic interval tree implementation).
>
Perhaps the tree implemented in this work could also be used in tracking
regions in mm/hugetlb.c.

Thanks
Hillf
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