Re: [PATCH v12 7/8] mm: export symbol of next_zone and first_online_pgdat

2017-07-14 Thread Michal Hocko
On Wed 12-07-17 20:40:20, Wei Wang wrote: > This patch enables for_each_zone()/for_each_populated_zone() to be > invoked by a kernel module. This needs much better justification with an example of who is going to use these symbols and what for. > Signed-off-by: Wei Wang > --- > mm/mmzone.c | 2

Re: [virtio-dev] Re: [PATCH v12 7/8] mm: export symbol of next_zone and first_online_pgdat

2017-07-13 Thread Wei Wang
On 07/13/2017 08:16 AM, Michael S. Tsirkin wrote: On Wed, Jul 12, 2017 at 08:40:20PM +0800, Wei Wang wrote: This patch enables for_each_zone()/for_each_populated_zone() to be invoked by a kernel module. ... for use by virtio balloon. With this patch, other kernel modules can also use the for_

Re: [PATCH v12 7/8] mm: export symbol of next_zone and first_online_pgdat

2017-07-12 Thread Michael S. Tsirkin
On Wed, Jul 12, 2017 at 08:40:20PM +0800, Wei Wang wrote: > This patch enables for_each_zone()/for_each_populated_zone() to be > invoked by a kernel module. ... for use by virtio balloon. > Signed-off-by: Wei Wang balloon seems to only use + for_each_populated_zone(zone) + f