linux-kernel - Re: [PATCH 1/3] vmscan: report vm_flags in page

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Message-ID: <28c262360905161735s291fc34ah845eb5f82e1ada25@mail.gmail.com>
Date:	Sun, 17 May 2009 09:35:06 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	"riel@...hat.com" <riel@...hat.com>,
	"tytso@....edu" <tytso@....edu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"elladan@...imo.com" <elladan@...imo.com>,
	"npiggin@...e.de" <npiggin@...e.de>
Subject: Re: [PATCH 1/3] vmscan: report vm_flags in page_referenced()

On Sat, May 16, 2009 at 6:00 PM, Wu Fengguang <fengguang.wu@...el.com> wrote:
> Collect vma->vm_flags of the VMAs that actually referenced the page.
>
> This is preparing for more informed reclaim heuristics,
> eg. to protect executable file pages more aggressively.
> For now only the VM_EXEC bit will be used by the caller.
>
> CC: Minchan Kim <minchan.kim@...il.com>
> CC: Johannes Weiner <hannes@...xchg.org>
> CC: Peter Zijlstra <peterz@...radead.org>
> Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>

Reviewed-by: Minchan Kim <minchan.kim@...il.com>
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