Am 2023-07-14 um 10:26 schrieb Vlastimil Babka:
On 7/12/23 18:24, Felix Kuehling wrote:
Allocations in the heap and stack tend to be small, with several
allocations sharing the same page. Sharing the same page for different
allocations with different access patterns leads to thrashing when we
mi
On 7/12/23 18:24, Felix Kuehling wrote:
> Allocations in the heap and stack tend to be small, with several
> allocations sharing the same page. Sharing the same page for different
> allocations with different access patterns leads to thrashing when we
> migrate data back and forth on GPU and CPU
Allocations in the heap and stack tend to be small, with several
allocations sharing the same page. Sharing the same page for different
allocations with different access patterns leads to thrashing when we
migrate data back and forth on GPU and CPU access. To avoid this we
disable HMM migration
Use the helpers to simplify code.
Signed-off-by: Kefeng Wang
---
drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 479c4f66afa7..19ce68a7e1a8 100644
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