From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============8369190575951778898==" MIME-Version: 1.0 From: Joonsoo Kim To: lkp@lists.01.org Subject: Re: [lkp-robot] [mm/cma] 2b0f904a5a: fio.read_bw_MBps -16.1% regression Date: Mon, 09 Apr 2018 16:25:52 +0900 Message-ID: In-Reply-To: <20180409055619.GC27349@yexl-desktop> List-Id: --===============8369190575951778898== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 2018-04-09 14:56 GMT+09:00 Ye Xiaolong : > On 04/05, Joonsoo Kim wrote: >>I may find the reason of this regression. Could you test this patch on >>top of this patchset? >> >>http://lkml.kernel.org/r/<1522913236-15776-1-git-send-email-iamjoonsoo.ki= m@lge.com> > > It'd be better if you can provide your repo for this fix patch, it's more > convenient for 0day to verify it. Okay! Could you check following git tree and branch to fix the reported regression? https://github.com/JoonsooKim/linux.git cma-fixup-thp-next-20180403 Related commits are: f11152b mm/thp: don't count ZONE_MOVABLE as the target for freepage reservi= ng b2adb03 Revert "Revert "mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE"" 76148e2 Revert "Revert "mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE request"" Base commit is '76148e2' and this regression happens on 'b2adb03'. Fix is commit 'f11152b'. Thanks. --===============8369190575951778898==--