From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 5AB466B01F1 for ; Wed, 18 Aug 2010 21:53:47 -0400 (EDT) Received: by iwn2 with SMTP id 2so1094447iwn.14 for ; Wed, 18 Aug 2010 18:53:45 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <20100818151857.GA6188@barrios-desktop> <20100818172627.7e38969f@varda> Date: Thu, 19 Aug 2010 10:53:45 +0900 Message-ID: Subject: Re: android-kernel memory reclaim x20 boost? From: Minchan Kim Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: San Mehat Cc: =?ISO-8859-1?Q?Arve_Hj=F8nnev=E5g?= , =?ISO-8859-1?Q?Alejandro_Riveira_Fern=E1ndez?= , swetland@google.com, linux-kernel , linux-mm@kvack.org List-ID: On Thu, Aug 19, 2010 at 10:04 AM, San Mehat wrote: > On Wed, Aug 18, 2010 at 6:01 PM, Arve Hj=F8nnev=E5g wr= ote: >> On Wed, Aug 18, 2010 at 5:54 PM, Minchan Kim wro= te: >>> On Thu, Aug 19, 2010 at 12:26 AM, Alejandro Riveira Fern=E1ndez >>> wrote: >>>> El Thu, 19 Aug 2010 00:18:57 +0900 >>>> Minchan Kim escribi=F3: >>>> >>>>> Hello Android forks, >>>> [ ... ] >>>>> >>>>> I saw the advertisement phrase in this[1]. >>>>> >>>>> "Kernel Memory Management Boost: Improved memory reclaim by up to 20x= , >>>>> which results in faster app switching and smoother performance >>>>> on memory-constrained devices." >>>>> >>>>> But I can't find any code for it in android kernel git tree. >>>> >>>> =A0Maybe the enhancements are on the Dalvik VM (shooting in the dark h= ere) >>> >>> Thanks. >>> Android guys! Could you confirm this? >>> >> >> It is more likely referring to this change: >> > > There are other changes after the one mentioned that remove the > requirement for CONFIG_PROFILING > (and the subsequent task_struct leak that was caused by it) > > -san It seems to be not a issue of mainline but only one of android lowmemkiller= . Thanks for the information, Android forks. --=20 Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org