linux-kernel - Re: [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image

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Message-ID: <1325130899.2029.18.camel@shrek.rexursive.com>
Date:	Thu, 29 Dec 2011 14:54:59 +1100
From:	Bojan Smojver <bojan@...ursive.com>
To:	Barry Song <21cnbao@...il.com>
Cc:	rjw@...k.pl, linux-pm@...ts.linux-foundation.org,
	LKML <linux-kernel@...r.kernel.org>,
	DL-SHA-WorkGroupLinux <workgroup.linux@....com>
Subject: Re: [PATCH] PM / Hibernate: Improve performance of LZO/plain
 hibernation, checksum image

On Thu, 2011-12-29 at 11:20 +0800, Barry Song wrote:
> the platform is ARM cortex-a9 single-core 1Ghz SoC and we save image
> to a SD card or NAND.
> a phenomenon we saw is that multi-BIOs is not merged into a request by
> block level elevator. so the SD/NANDdisk driver handles many small
> request one page by one page. 

Interesting, thanks.

-- 
Bojan

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