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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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