Re: [Intel-gfx] [PATCH 3/3] drm/i915: Allow DMA pagetables to use highmem

2016-08-22 Thread Joonas Lahtinen
On ma, 2016-08-22 at 08:44 +0100, Chris Wilson wrote: > As we never need to directly access the pages we allocate for scratch and > the pagetables, and always remap them into the GTT through the dma > remapper, we do not need to limit the allocations to lowmem i.e. we can > pass in the __GFP_HIGHME

[Intel-gfx] [PATCH 3/3] drm/i915: Allow DMA pagetables to use highmem

2016-08-22 Thread Chris Wilson
As we never need to directly access the pages we allocate for scratch and the pagetables, and always remap them into the GTT through the dma remapper, we do not need to limit the allocations to lowmem i.e. we can pass in the __GFP_HIGHMEM flag to the page allocation. For backwards compatibility, e