Re: [PATCH/RFC] mm: do not regard CMA pages as free on watermark check

2015-09-09 Thread Vlastimil Babka
[CC Joonsoo, Mel] On 09/09/2015 08:31 PM, Vitaly Wool wrote: > Hi Laura, > > On Wed, Sep 9, 2015 at 7:56 PM, Laura Abbott wrote: > >> (cc-ing linux-mm) >> On 09/09/2015 07:44 AM, Vitaly Wool wrote: >> >>> __zone_watermark_ok() does not corrrectly take high-order >>> CMA pageblocks into account:

Re: [PATCH/RFC] mm: do not regard CMA pages as free on watermark check

2015-09-09 Thread Laura Abbott
(cc-ing linux-mm) On 09/09/2015 07:44 AM, Vitaly Wool wrote: __zone_watermark_ok() does not corrrectly take high-order CMA pageblocks into account: high-order CMA blocks are not removed from the watermark check. Moreover, CMA pageblocks may suddenly vanish through CMA allocation, so let's not reg