Re: [PATCH] drm/i915/selftests: exercise shmem_writeback with THP

2021-09-22 Thread Tvrtko Ursulin
On 21/09/2021 15:21, Matthew Auld wrote: In commit: commit 1e6decf30af5c5c75445ed6ad4e65a26de578a03 Author: Hugh Dickins Date: Thu Sep 2 14:54:43 2021 -0700 shmem: shmem_writepage() split unlikely i915 THP it looks THP + shmem_writeback was an unexpected combination, and ends up hitt

[PATCH] drm/i915/selftests: exercise shmem_writeback with THP

2021-09-21 Thread Matthew Auld
In commit: commit 1e6decf30af5c5c75445ed6ad4e65a26de578a03 Author: Hugh Dickins Date: Thu Sep 2 14:54:43 2021 -0700 shmem: shmem_writepage() split unlikely i915 THP it looks THP + shmem_writeback was an unexpected combination, and ends up hitting some BUG_ON, but it also looks like that i