Re: [PATCH] CMA: migrate mlocked page

2012-09-28 Thread Mel Gorman
On Wed, Sep 26, 2012 at 03:32:45PM +0900, Minchan Kim wrote: > Now CMA can't migrate mlocked page so it ends up fail to allocate > contiguous memory space. It's not good for CMA. > This patch makes mlocked page be migrated out. > Of course, it can affect realtime processes but in CMA usecase, > con

[PATCH] CMA: migrate mlocked page

2012-09-25 Thread Minchan Kim
Now CMA can't migrate mlocked page so it ends up fail to allocate contiguous memory space. It's not good for CMA. This patch makes mlocked page be migrated out. Of course, it can affect realtime processes but in CMA usecase, contiguos memory allocation failing is far worse than access latency to an