linux-kernel - Re: [PATCH v7 3/4] mm: introduce putback_movable

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Message-ID: <20120812232636.GI21033@bbox>
Date:	Mon, 13 Aug 2012 08:26:36 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Rafael Aquini <aquini@...hat.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mel@....ul.ie>,
	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH v7 3/4] mm: introduce putback_movable_pages()

On Fri, Aug 10, 2012 at 02:55:16PM -0300, Rafael Aquini wrote:
> The PATCH "mm: introduce compaction and migration for virtio ballooned pages"
> hacks around putback_lru_pages() in order to allow ballooned pages to be
> re-inserted on balloon page list as if a ballooned page was like a LRU page.
> 
> As ballooned pages are not legitimate LRU pages, this patch introduces
> putback_movable_pages() to properly cope with cases where the isolated
> pageset contains ballooned pages and LRU pages, thus fixing the mentioned
> inelegant hack around putback_lru_pages().
> 
> Signed-off-by: Rafael Aquini <aquini@...hat.com>
Reviewed-by: Minchan Kim <minchan@...nel.org>

Thanks for your good work, Rafael.

-- 
Kind regards,
Minchan Kim
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