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From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Date: Tue, 12 Jun 2012 12:03:04 -0400
Message-ID: <CAHGf_=oTC6LGd-5=aGYM4rj+3AAVPr9Zk8cT_FXguVhSVgKWnQ@mail.gmail.com>
Subject: Re: [PATCH 3/3] [RFC] tmpfs: Add FALLOC_FL_MARK_VOLATILE/UNMARK_VOLATILE
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To: Minchan Kim <minchan@kernel.org>
Cc: John Stultz <john.stultz@linaro.org>, Dave Hansen <dave@linux.vnet.ibm.com>, Dmitry Adamushko <dmitry.adamushko@gmail.com>, LKML <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Android Kernel Team <kernel-team@android.com>, Robert Love <rlove@google.com>, Mel Gorman <mel@csn.ul.ie>, Hugh Dickins <hughd@google.com>, Rik van Riel <riel@redhat.com>, Dave Chinner <david@fromorbit.com>, Neil Brown <neilb@suse.de>, Andrea Righi <andrea@betterlinux.com>, "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Taras Glek <tgek@mozilla.com>, Mike Hommey <mh@glandium.org>, Jan Kara <jack@suse.cz>, "linux-mm@kvack.org" <linux-mm@kvack.org>

> Off-topic:
> But I'm not sure because I might try to make new easy-reclaimable LRU list for low memory notification.
> That LRU list would contain non-mapped clean cache page and volatile pages if I decide adding it.
> Both pages has a common characteristic that recreating page is less costly.
> It's true for eMMC/SSD like device, at least.

+1.

I like L2 inactive list.

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