Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-27 Thread Michal Hocko
On Fri 27-11-20 15:53:14, Charan Teja Kalla wrote: > Thanks Michal!! > > On 11/26/2020 2:48 PM, Michal Hocko wrote: > > On Wed 25-11-20 16:18:06, Charan Teja Kalla wrote: > >> > >> > >> On 11/24/2020 1:11 PM, Michal Hocko wrote: > >>> On Mon 23-11-20 20:40:40, Charan Teja Kalla wrote: > >

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-27 Thread Charan Teja Kalla
Thanks Michal!! On 11/26/2020 2:48 PM, Michal Hocko wrote: > On Wed 25-11-20 16:18:06, Charan Teja Kalla wrote: >> >> >> On 11/24/2020 1:11 PM, Michal Hocko wrote: >>> On Mon 23-11-20 20:40:40, Charan Teja Kalla wrote: Thanks Michal! On 11/23/2020 7:43 PM, Michal Hocko wrote: >

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-26 Thread Michal Hocko
On Wed 25-11-20 16:18:06, Charan Teja Kalla wrote: > > > On 11/24/2020 1:11 PM, Michal Hocko wrote: > > On Mon 23-11-20 20:40:40, Charan Teja Kalla wrote: > >> > >> Thanks Michal! > >> On 11/23/2020 7:43 PM, Michal Hocko wrote: > >>> On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: > When

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-25 Thread Charan Teja Kalla
Thanks Vlastimil! On 11/24/2020 7:09 PM, Vlastimil Babka wrote: > On 11/23/20 4:10 PM, Charan Teja Kalla wrote: >> >> Thanks Michal! >> On 11/23/2020 7:43 PM, Michal Hocko wrote: >>> On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: When the pages are failed to get isolate or migrate, the

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-25 Thread Charan Teja Kalla
On 11/24/2020 1:11 PM, Michal Hocko wrote: > On Mon 23-11-20 20:40:40, Charan Teja Kalla wrote: >> >> Thanks Michal! >> On 11/23/2020 7:43 PM, Michal Hocko wrote: >>> On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: When the pages are failed to get isolate or migrate, the page owner

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-24 Thread Vlastimil Babka
On 11/23/20 4:10 PM, Charan Teja Kalla wrote: Thanks Michal! On 11/23/2020 7:43 PM, Michal Hocko wrote: On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: When the pages are failed to get isolate or migrate, the page owner information along with page info is dumped. If there are continuous

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-23 Thread Michal Hocko
On Mon 23-11-20 20:40:40, Charan Teja Kalla wrote: > > Thanks Michal! > On 11/23/2020 7:43 PM, Michal Hocko wrote: > > On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: > >> When the pages are failed to get isolate or migrate, the page owner > >> information along with page info is dumped. If

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-23 Thread Charan Teja Kalla
Thanks Michal! On 11/23/2020 7:43 PM, Michal Hocko wrote: > On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: >> When the pages are failed to get isolate or migrate, the page owner >> information along with page info is dumped. If there are continuous >> failures in migration(say page is

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-23 Thread Michal Hocko
On Mon 23-11-20 19:33:16, Charan Teja Reddy wrote: > When the pages are failed to get isolate or migrate, the page owner > information along with page info is dumped. If there are continuous > failures in migration(say page is pinned) or isolation, the log buffer > is simply getting flooded with

Re: [PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-23 Thread David Hildenbrand
On 23.11.20 15:03, Charan Teja Reddy wrote: > When the pages are failed to get isolate or migrate, the page owner > information along with page info is dumped. If there are continuous > failures in migration(say page is pinned) or isolation, the log buffer > is simply getting flooded with the page

[PATCH] mm: memory_hotplug: put migration failure information under DEBUG_VM

2020-11-23 Thread Charan Teja Reddy
When the pages are failed to get isolate or migrate, the page owner information along with page info is dumped. If there are continuous failures in migration(say page is pinned) or isolation, the log buffer is simply getting flooded with the page owner information. As most of the times page info