Re: [PATCH v2 1/8] mm/page_alloc: fix pcp high, batch management

2014-08-13 Thread Joonsoo Kim
On Tue, Aug 12, 2014 at 01:24:09AM +, Minchan Kim wrote: > Hey Joonsoo, > > On Wed, Aug 06, 2014 at 04:18:28PM +0900, Joonsoo Kim wrote: > > per cpu pages structure, aka pcp, has high and batch values to control > > how many pages we perform caching. This values could be updated > > asynchrono

Re: [PATCH v2 1/8] mm/page_alloc: fix pcp high, batch management

2014-08-11 Thread Minchan Kim
Hey Joonsoo, On Wed, Aug 06, 2014 at 04:18:28PM +0900, Joonsoo Kim wrote: > per cpu pages structure, aka pcp, has high and batch values to control > how many pages we perform caching. This values could be updated > asynchronously and updater should ensure that this doesn't make any > problem. For

[PATCH v2 1/8] mm/page_alloc: fix pcp high, batch management

2014-08-06 Thread Joonsoo Kim
per cpu pages structure, aka pcp, has high and batch values to control how many pages we perform caching. This values could be updated asynchronously and updater should ensure that this doesn't make any problem. For this purpose, pageset_update() is implemented and do some memory synchronization. B