Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-10 Thread Michal Hocko
On Thu 10-08-17 15:38:34, Wei Wang wrote: > On 08/10/2017 03:05 PM, Michal Hocko wrote: > >On Tue 08-08-17 14:34:25, Wei Wang wrote: > >>On 08/08/2017 02:12 PM, Wei Wang wrote: > >>>On 08/03/2017 05:11 PM, Michal Hocko wrote: > On Thu 03-08-17 14:38:18, Wei Wang wrote: > This is just too

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-10 Thread Michal Hocko
On Thu 10-08-17 15:38:34, Wei Wang wrote: > On 08/10/2017 03:05 PM, Michal Hocko wrote: > >On Tue 08-08-17 14:34:25, Wei Wang wrote: > >>On 08/08/2017 02:12 PM, Wei Wang wrote: > >>>On 08/03/2017 05:11 PM, Michal Hocko wrote: > On Thu 03-08-17 14:38:18, Wei Wang wrote: > This is just too

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-10 Thread Wei Wang
On 08/10/2017 03:05 PM, Michal Hocko wrote: On Tue 08-08-17 14:34:25, Wei Wang wrote: On 08/08/2017 02:12 PM, Wei Wang wrote: On 08/03/2017 05:11 PM, Michal Hocko wrote: On Thu 03-08-17 14:38:18, Wei Wang wrote: This is just too ugly and wrong actually. Never provide struct page pointers

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-10 Thread Wei Wang
On 08/10/2017 03:05 PM, Michal Hocko wrote: On Tue 08-08-17 14:34:25, Wei Wang wrote: On 08/08/2017 02:12 PM, Wei Wang wrote: On 08/03/2017 05:11 PM, Michal Hocko wrote: On Thu 03-08-17 14:38:18, Wei Wang wrote: This is just too ugly and wrong actually. Never provide struct page pointers

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-10 Thread Michal Hocko
On Tue 08-08-17 14:34:25, Wei Wang wrote: > On 08/08/2017 02:12 PM, Wei Wang wrote: > >On 08/03/2017 05:11 PM, Michal Hocko wrote: > >>On Thu 03-08-17 14:38:18, Wei Wang wrote: > >>This is just too ugly and wrong actually. Never provide struct page > >>pointers outside of the zone->lock. What I've

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-10 Thread Michal Hocko
On Tue 08-08-17 14:34:25, Wei Wang wrote: > On 08/08/2017 02:12 PM, Wei Wang wrote: > >On 08/03/2017 05:11 PM, Michal Hocko wrote: > >>On Thu 03-08-17 14:38:18, Wei Wang wrote: > >>This is just too ugly and wrong actually. Never provide struct page > >>pointers outside of the zone->lock. What I've

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-08 Thread Wei Wang
On 08/08/2017 02:12 PM, Wei Wang wrote: On 08/03/2017 05:11 PM, Michal Hocko wrote: On Thu 03-08-17 14:38:18, Wei Wang wrote: This is just too ugly and wrong actually. Never provide struct page pointers outside of the zone->lock. What I've had in mind was to simply walk free lists of the

Re: [virtio-dev] Re: [PATCH v13 4/5] mm: support reporting free page blocks

2017-08-08 Thread Wei Wang
On 08/08/2017 02:12 PM, Wei Wang wrote: On 08/03/2017 05:11 PM, Michal Hocko wrote: On Thu 03-08-17 14:38:18, Wei Wang wrote: This is just too ugly and wrong actually. Never provide struct page pointers outside of the zone->lock. What I've had in mind was to simply walk free lists of the