Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-08-07 Thread Michal Hocko
On Tue 06-08-19 09:15:25, Dan Williams wrote: > On Mon, Aug 5, 2019 at 11:47 PM Michal Hocko wrote: > > > > On Mon 05-08-19 20:27:03, Dan Williams wrote: > > > On Sun, Aug 4, 2019 at 10:31 PM Toshiki Fukasawa > > > wrote: > > > > > > > > On 2019/07/26 16:06, Michal Hocko wrote: > > > > > On Fri 2

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-08-06 Thread Dan Williams
On Mon, Aug 5, 2019 at 11:47 PM Michal Hocko wrote: > > On Mon 05-08-19 20:27:03, Dan Williams wrote: > > On Sun, Aug 4, 2019 at 10:31 PM Toshiki Fukasawa > > wrote: > > > > > > On 2019/07/26 16:06, Michal Hocko wrote: > > > > On Fri 26-07-19 06:25:49, Toshiki Fukasawa wrote: > > > >> > > > >> >

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-08-05 Thread Michal Hocko
On Mon 05-08-19 20:27:03, Dan Williams wrote: > On Sun, Aug 4, 2019 at 10:31 PM Toshiki Fukasawa > wrote: > > > > On 2019/07/26 16:06, Michal Hocko wrote: > > > On Fri 26-07-19 06:25:49, Toshiki Fukasawa wrote: > > >> > > >> > > >> On 2019/07/25 18:03, Michal Hocko wrote: > > >>> On Thu 25-07-19 0

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-08-05 Thread Dan Williams
On Wed, Jul 24, 2019 at 7:46 PM Toshiki Fukasawa wrote: > > A kernel panic was observed during reading /proc/kpageflags for > first few pfns allocated by pmem namespace: > > BUG: unable to handle page fault for address: fffe > [ 114.495280] #PF: supervisor read access in kernel mode >

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-08-05 Thread Dan Williams
On Sun, Aug 4, 2019 at 10:31 PM Toshiki Fukasawa wrote: > > On 2019/07/26 16:06, Michal Hocko wrote: > > On Fri 26-07-19 06:25:49, Toshiki Fukasawa wrote: > >> > >> > >> On 2019/07/25 18:03, Michal Hocko wrote: > >>> On Thu 25-07-19 02:31:18, Toshiki Fukasawa wrote: > A kernel panic was obser

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-08-04 Thread Toshiki Fukasawa
On 2019/07/26 16:06, Michal Hocko wrote: > On Fri 26-07-19 06:25:49, Toshiki Fukasawa wrote: >> >> >> On 2019/07/25 18:03, Michal Hocko wrote: >>> On Thu 25-07-19 02:31:18, Toshiki Fukasawa wrote: A kernel panic was observed during reading /proc/kpageflags for first few pfns allocated by

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-07-26 Thread Michal Hocko
On Fri 26-07-19 06:25:49, Toshiki Fukasawa wrote: > > > On 2019/07/25 18:03, Michal Hocko wrote: > > On Thu 25-07-19 02:31:18, Toshiki Fukasawa wrote: > >> A kernel panic was observed during reading /proc/kpageflags for > >> first few pfns allocated by pmem namespace: > >> > >> BUG: unable to han

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-07-25 Thread Toshiki Fukasawa
On 2019/07/25 18:03, Michal Hocko wrote: > On Thu 25-07-19 02:31:18, Toshiki Fukasawa wrote: >> A kernel panic was observed during reading /proc/kpageflags for >> first few pfns allocated by pmem namespace: >> >> BUG: unable to handle page fault for address: fffe >> [ 114.495280] #P

Re: [PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-07-25 Thread Michal Hocko
On Thu 25-07-19 02:31:18, Toshiki Fukasawa wrote: > A kernel panic was observed during reading /proc/kpageflags for > first few pfns allocated by pmem namespace: > > BUG: unable to handle page fault for address: fffe > [ 114.495280] #PF: supervisor read access in kernel mode > [ 114.

[PATCH 2/2] /proc/kpageflags: do not use uninitialized struct pages

2019-07-24 Thread Toshiki Fukasawa
A kernel panic was observed during reading /proc/kpageflags for first few pfns allocated by pmem namespace: BUG: unable to handle page fault for address: fffe [ 114.495280] #PF: supervisor read access in kernel mode [ 114.495738] #PF: error_code(0x) - not-present page [ 114.4962