Re: [PATCH] drm/amdkfd: shrink bitmap size in struct svm_validate_context

[Felix Kuehling]

Am 2022-04-11 um 23:06 schrieb Lang Yu:

A MAX_GPU_INSTANCE bits bitmap will suffice.

Signed-off-by: Lang Yu <lang...@amd.com>

Thanks for catching that. The patch is

Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>

---
  drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 8b6adc142e25..459fa07a3bcc 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -1370,7 +1370,7 @@ struct svm_validate_context {
        struct kfd_process *process;
        struct svm_range *prange;
        bool intr;
-       unsigned long bitmap[MAX_GPU_INSTANCE];
+       DECLARE_BITMAP(bitmap, MAX_GPU_INSTANCE);
        struct ttm_validate_buffer tv[MAX_GPU_INSTANCE];
        struct list_head validate_list;
        struct ww_acquire_ctx ticket;