From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4919340A.8070300@nokia.com> Date: Tue, 11 Nov 2008 09:28:10 +0200 From: Adrian Hunter MIME-Version: 1.0 To: Amit Kumar Sharma Subject: Re: [ANNOUNCE] [PATCH] [MTD] Flex-OneNAND MTD Driver available. References: <19198934.52871221827459790.JavaMail.weblogic@epml16> <9c9fda240809220011w49c0875q804f836550ff3476@mail.gmail.com> <000001c91e42$1aa86c50$3dd66c6b@sisodomain.com> <9c9fda240809251731y48272a63j988e0001dc50d78@mail.gmail.com> <1222404711.5012.5.camel@sauron> <1222417176.5012.17.camel@sauron> <000b01c92215$ae62d4e0$3dd66c6b@sisodomain.com> <9c9fda240810091557j529495d5q284a8ab0e0d752dd@mail.gmail.com> <1224331498.6770.1362.camel@macbook.infradead.org> <000001c93271$5c6ab4c0$3dd66c6b@sisodomain.com> <1224482040.4466.73.camel@sauron> <000301c93411$74627df0$3dd66c6b@sisodomain.com> <4901DB27.4020401@nokia.com> <000901c93d9f$7c7ed0f0$3dd66c6b@sisodomain.com> <49115EC6.9090800@nokia.com> <49145004.9010202@samsung.com> <49185137.4040300@nokia.com> <6E87DF51DE3C4BC49C27B7FC516D051B@sisodomain.com> In-Reply-To: <6E87DF51DE3C4BC49C27B7FC516D051B@sisodomain.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Rohit , 'Kyungmin Park' , apgmoorthy , 'David Woodhouse' , linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Amit Kumar Sharma wrote: > we will share iozone result on flexOneNand but during > testing of FlexOneNand on kernel 2.6.22 performance results > are far better then 2.6.27 still we donot know the reasons. > we checked performance for OneNand on same kernel veriosn > but OneNand also has down performance with 2.6.27 kernel > version.still a question for us? There have been performance regressions in the kernel since 2.6.22 related to the scheduler among other things. 2.6.28 should be better.