Re: [PATCH 05/34] mm, vmscan: begin reclaiming pages on a per-node basis

2016-07-14 Thread Vlastimil Babka
On 07/08/2016 11:34 AM, Mel Gorman wrote: This patch makes reclaim decisions on a per-node basis. A reclaimer knows what zone is required by the allocation request and skips pages from higher zones. In many cases this will be ok because it's a GFP_HIGHMEM request of some description. On 64-bit

Re: [PATCH 05/34] mm, vmscan: begin reclaiming pages on a per-node basis

2016-07-12 Thread Johannes Weiner
On Fri, Jul 08, 2016 at 10:34:41AM +0100, Mel Gorman wrote: > This patch makes reclaim decisions on a per-node basis. A reclaimer knows > what zone is required by the allocation request and skips pages from > higher zones. In many cases this will be ok because it's a GFP_HIGHMEM > request of some

[PATCH 05/34] mm, vmscan: begin reclaiming pages on a per-node basis

2016-07-08 Thread Mel Gorman
This patch makes reclaim decisions on a per-node basis. A reclaimer knows what zone is required by the allocation request and skips pages from higher zones. In many cases this will be ok because it's a GFP_HIGHMEM request of some description. On 64-bit, ZONE_DMA32 requests will cause some proble