drm/amdgpu: Avoid reclaim fs while eviction lock

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[Why]
Avoid reclaim filesystem while eviction lock is held called from
MMU notifier.

[How]
Setting PF_MEMALLOC_NOFS flags while eviction mutex is locked.
Using memalloc_nofs_save / memalloc_nofs_restore API.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Sierra 2019-12-17 16:57:30 -06:00 • committed by Alex Deucher

parent a9ffe2a983

commit a269e44989

2 changed files with 38 additions and 8 deletions

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40

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

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6

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

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