From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bojan Smojver Subject: Re: [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image Date: Thu, 29 Dec 2011 14:54:59 +1100 Message-ID: <1325130899.2029.18.camel@shrek.rexursive.com> References: <1325115628.2029.1.camel@shrek.rexursive.com> <1325127531.2029.13.camel@shrek.rexursive.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Barry Song <21cnbao@gmail.com> Cc: linux-pm@lists.linux-foundation.org, LKML , DL-SHA-WorkGroupLinux List-Id: linux-pm@vger.kernel.org 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753441Ab1L2DzE (ORCPT ); Wed, 28 Dec 2011 22:55:04 -0500 Received: from beauty.rexursive.com ([150.101.121.179]:34380 "EHLO beauty.rexursive.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752173Ab1L2DzB (ORCPT ); Wed, 28 Dec 2011 22:55:01 -0500 Message-ID: <1325130899.2029.18.camel@shrek.rexursive.com> Subject: Re: [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image From: Bojan Smojver To: Barry Song <21cnbao@gmail.com> Cc: rjw@sisk.pl, linux-pm@lists.linux-foundation.org, LKML , DL-SHA-WorkGroupLinux Date: Thu, 29 Dec 2011 14:54:59 +1100 In-Reply-To: References: <1325115628.2029.1.camel@shrek.rexursive.com> <1325127531.2029.13.camel@shrek.rexursive.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.2 (3.2.2-1.fc16) Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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