Re: [PATCH] mm: non-atomically mark page accessed during page cache allocation where possible -fix

2014-05-21 Thread Prabhakar Lad
On Wed, May 21, 2014 at 1:04 AM, Andrew Morton wrote: > On Tue, 20 May 2014 16:49:00 +0100 Mel Gorman wrote: > >> Prabhakar Lad reported the following problem >> >> I see following issue on DA850 evm, >> git bisect points me to >> commit id: 975c3a671f11279441006a29a19f55ccc15fb320 >> ( m

Re: [PATCH] mm: non-atomically mark page accessed during page cache allocation where possible -fix

2014-05-21 Thread Mel Gorman
On Wed, May 21, 2014 at 03:11:42PM -0700, Andrew Morton wrote: > On Wed, 21 May 2014 13:09:16 +0100 Mel Gorman wrote: > > > > From: Andrew Morton > > > Subject: mm/shmem.c: don't run init_page_accessed() against an > > > uninitialised pointer > > > > > > If shmem_getpage() returned an error th

Re: [PATCH] mm: non-atomically mark page accessed during page cache allocation where possible -fix

2014-05-21 Thread Andrew Morton
On Wed, 21 May 2014 13:09:16 +0100 Mel Gorman wrote: > > From: Andrew Morton > > Subject: mm/shmem.c: don't run init_page_accessed() against an > > uninitialised pointer > > > > If shmem_getpage() returned an error then it didn't necessarily initialise > > *pagep. So shmem_write_begin() shoul

Re: [PATCH] mm: non-atomically mark page accessed during page cache allocation where possible -fix

2014-05-21 Thread Mel Gorman
On Tue, May 20, 2014 at 12:34:53PM -0700, Andrew Morton wrote: > On Tue, 20 May 2014 16:49:00 +0100 Mel Gorman wrote: > > > Prabhakar Lad reported the following problem > > > > I see following issue on DA850 evm, > > git bisect points me to > > commit id: 975c3a671f11279441006a29a19f55ccc1

Re: [PATCH] mm: non-atomically mark page accessed during page cache allocation where possible -fix

2014-05-20 Thread Andrew Morton
On Tue, 20 May 2014 16:49:00 +0100 Mel Gorman wrote: > Prabhakar Lad reported the following problem > > I see following issue on DA850 evm, > git bisect points me to > commit id: 975c3a671f11279441006a29a19f55ccc15fb320 > ( mm: non-atomically mark page accessed during page cache allocati

[PATCH] mm: non-atomically mark page accessed during page cache allocation where possible -fix

2014-05-20 Thread Mel Gorman
Prabhakar Lad reported the following problem I see following issue on DA850 evm, git bisect points me to commit id: 975c3a671f11279441006a29a19f55ccc15fb320 ( mm: non-atomically mark page accessed during page cache allocation where possible) Unable to handle kernel paging request at v