From: Bojan Smojver <bojan@rexursive.com>
To: Barry Song <21cnbao@gmail.com>
Cc: linux-pm@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
DL-SHA-WorkGroupLinux <workgroup.linux@csr.com>
Subject: Re: [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
Date: Thu, 29 Dec 2011 14:54:59 +1100 [thread overview]
Message-ID: <1325130899.2029.18.camel@shrek.rexursive.com> (raw)
In-Reply-To: <CAGsJ_4x2yCNf48xnVzBCZLJhdUaAOfoNHx5AFamZMXgLZ0PEKw@mail.gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Bojan Smojver <bojan@rexursive.com>
To: Barry Song <21cnbao@gmail.com>
Cc: rjw@sisk.pl, linux-pm@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
DL-SHA-WorkGroupLinux <workgroup.linux@csr.com>
Subject: Re: [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
Date: Thu, 29 Dec 2011 14:54:59 +1100 [thread overview]
Message-ID: <1325130899.2029.18.camel@shrek.rexursive.com> (raw)
In-Reply-To: <CAGsJ_4x2yCNf48xnVzBCZLJhdUaAOfoNHx5AFamZMXgLZ0PEKw@mail.gmail.com>
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
next prev parent reply other threads:[~2011-12-29 3:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-27 12:27 [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image Barry Song
2011-12-27 12:27 ` Barry Song
2011-12-28 23:40 ` Bojan Smojver
2011-12-28 23:40 ` Bojan Smojver
2011-12-29 2:37 ` Barry Song
2011-12-29 2:37 ` Barry Song
2011-12-29 2:58 ` Bojan Smojver
2011-12-29 2:58 ` Bojan Smojver
2011-12-29 3:20 ` Barry Song
2011-12-29 3:20 ` Barry Song
2011-12-29 3:54 ` Bojan Smojver [this message]
2011-12-29 3:54 ` Bojan Smojver
2011-12-31 8:56 ` Barry Song
2011-12-31 8:56 ` Barry Song
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