subject:"\[RESEND PATCH v2\] drm\/gem\: Mark pinned pages as unevictable"

Re: [RESEND PATCH v2] drm/gem: Mark pinned pages as unevictable

2019-01-17 Thread Eric Anholt

Kuo-Hsin Yang writes: > The gem drivers use shmemfs to allocate backing storage for gem objects. > On Samsung Chromebook Plus, the drm/rockchip driver may call > rockchip_gem_get_pages -> drm_gem_get_pages -> shmem_read_mapping_page > to pin a lot of pages, breaking the page reclaim mechanism and

Re: [RESEND PATCH v2] drm/gem: Mark pinned pages as unevictable

2019-01-09 Thread Chris Wilson

Quoting Kuo-Hsin Yang (2019-01-08 07:45:17) > The gem drivers use shmemfs to allocate backing storage for gem objects. > On Samsung Chromebook Plus, the drm/rockchip driver may call > rockchip_gem_get_pages -> drm_gem_get_pages -> shmem_read_mapping_page > to pin a lot of pages, breaking the page r

[RESEND PATCH v2] drm/gem: Mark pinned pages as unevictable

2019-01-07 Thread Kuo-Hsin Yang

The gem drivers use shmemfs to allocate backing storage for gem objects. On Samsung Chromebook Plus, the drm/rockchip driver may call rockchip_gem_get_pages -> drm_gem_get_pages -> shmem_read_mapping_page to pin a lot of pages, breaking the page reclaim mechanism and causing oom-killer invocation.