drm/amdkfd: Avoid thrashing of stack and heap

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Stack and heap pages tend to be shared by many small allocations.
Concurrent access by CPU and GPU is therefore likely, which can lead to
thrashing. Avoid this by setting the preferred location to system memory.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Felix Kuehling 2021-10-27 17:40:51 -04:00 • committed by Alex Deucher

parent 297753a06a

commit 12fcf0a7da

1 changed files with 17 additions and 5 deletions

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drivers/gpu/drm/amd/amdkfd/kfd_svm.c

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