Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-06-10 Thread Michal Hocko
On Mon 10-06-19 20:21:12, Minchan Kim wrote: [...] > >From 5cb8958ea240e2580bd2b331448009e8e1854240 Mon Sep 17 00:00:00 2001 > From: Minchan Kim > Date: Fri, 24 May 2019 15:54:10 +0900 > Subject: [PATCH] mm: fix trying to reclaim unevicable LRU page > > There was below bugr

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-06-10 Thread Minchan Kim
at it couldn't reach the VM_BUG_ON_PAGE line. > > > > > > > > > > > > To fix the issue, this patch filter out unevictable LRU pages > > > > > > from the reclaim_clean_pages_from_list in CMA. > > > > > > > > > >

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-06-10 Thread Michal Hocko
On Mon 10-06-19 18:42:22, Minchan Kim wrote: > On Tue, Jun 04, 2019 at 02:28:06PM +0200, Michal Hocko wrote: > > On Thu 30-05-19 11:42:29, Minchan Kim wrote: > > > On Tue, May 28, 2019 at 05:14:07PM +0200, Michal Hocko wrote: > > > > [Cc Pankaj Suryawanshi who has reported a similar problem > > > >

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-06-10 Thread Minchan Kim
On Tue, Jun 04, 2019 at 02:28:06PM +0200, Michal Hocko wrote: > On Thu 30-05-19 11:42:29, Minchan Kim wrote: > > On Tue, May 28, 2019 at 05:14:07PM +0200, Michal Hocko wrote: > > > [Cc Pankaj Suryawanshi who has reported a similar problem > > > http://lkml.kernel.org/r/sg2pr02mb309806967ae91179cafe

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-06-04 Thread Michal Hocko
On Thu 30-05-19 11:42:29, Minchan Kim wrote: > On Tue, May 28, 2019 at 05:14:07PM +0200, Michal Hocko wrote: > > [Cc Pankaj Suryawanshi who has reported a similar problem > > http://lkml.kernel.org/r/sg2pr02mb309806967ae91179cafec34be8...@sg2pr02mb3098.apcprd02.prod.outlook.com] > > > > On Fri 24-

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-05-29 Thread Minchan Kim
On Tue, May 28, 2019 at 05:14:07PM +0200, Michal Hocko wrote: > [Cc Pankaj Suryawanshi who has reported a similar problem > http://lkml.kernel.org/r/sg2pr02mb309806967ae91179cafec34be8...@sg2pr02mb3098.apcprd02.prod.outlook.com] > > On Fri 24-05-19 16:11:14, Minchan Kim wrote: > > There was below

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-05-28 Thread Michal Hocko
[Cc Pankaj Suryawanshi who has reported a similar problem http://lkml.kernel.org/r/sg2pr02mb309806967ae91179cafec34be8...@sg2pr02mb3098.apcprd02.prod.outlook.com] On Fri 24-05-19 16:11:14, Minchan Kim wrote: > There was below bugreport from Wu Fangsuo. > > 7200 [ 680.491097] c4 7125 (syz-executo

Re: [PATCH] mm: fix trying to reclaim unevicable LRU page

2019-05-24 Thread Minchan Kim
On Fri, May 24, 2019 at 04:11:14PM +0900, Minchan Kim wrote: > There was below bugreport from Wu Fangsuo. > > 7200 [ 680.491097] c4 7125 (syz-executor) page:ffbf02f33b40 count:86 > mapcount:84 mapping:ffc08fa7a810 index:0x24 > 7201 [ 680.531186] c4 7125 (syz-executor) flags: > 0x19040c

[PATCH] mm: fix trying to reclaim unevicable LRU page

2019-05-24 Thread Minchan Kim
There was below bugreport from Wu Fangsuo. 7200 [ 680.491097] c4 7125 (syz-executor) page:ffbf02f33b40 count:86 mapcount:84 mapping:ffc08fa7a810 index:0x24 7201 [ 680.531186] c4 7125 (syz-executor) flags: 0x19040c(referenced|uptodate|arch_1|mappedtodisk|unevictable|mlocked) 7202 [ 680