linux-kernel - Re: [PATCH 04/11] mm: compaction: export some of the functions

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Date:	Mon, 12 Dec 2011 16:22:04 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Michal Nazarewicz <mina86@...a86.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-media@...r.kernel.org, linux-mm@...ck.org,
	linaro-mm-sig@...ts.linaro.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Ankita Garg <ankita@...ibm.com>,
	Daniel Walker <dwalker@...eaurora.org>,
	Jesse Barker <jesse.barker@...aro.org>,
	Jonathan Corbet <corbet@....net>,
	Shariq Hasnain <shariq.hasnain@...aro.org>,
	Chunsang Jeong <chunsang.jeong@...aro.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>
Subject: Re: [PATCH 04/11] mm: compaction: export some of the functions

On Monday 12 December 2011, Mel Gorman wrote:
> The bloat exists either way. I don't believe the linker strips it out so
> overall it would make more sense to depend on compaction to keep the
> vmstat counters for debugging reasons if nothing else. It's not
> something I feel very strongly about though.

There were some previous attempts to use -fgc-sections to strip out
unused functions from the kernel, but I think they were never merged
because of regressions.

	Arnd
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