Commit d0e63b34 authored by Kent Russell's avatar Kent Russell Committed by Alex Deucher
Browse files

drm/amdkfd: Use kvmalloc instead of kmalloc for VCRAT 



Since we're dynamically allocating the CPU VCRAT, use kvmalloc in case
the allocation size is huge.

Signed-off-by: default avatarKent Russell <kent.russell@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e8f58ee1

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

+5 −4
Original line number Diff line number Diff line
@@ -797,7 +797,8 @@ int kfd_create_crat_image_acpi(void **crat_image, size_t *size) 
		return -ENODATA;

	}



	pcrat_image = kmemdup(crat_table, crat_table->length, GFP_KERNEL);

	pcrat_image = kvmalloc(crat_table->length, GFP_KERNEL);

	memcpy(pcrat_image, crat_table, crat_table->length);

	if (!pcrat_image)

		return -ENOMEM;
@@ -1383,7 +1384,7 @@ int kfd_create_crat_image_virtual(void **crat_image, size_t *size, 
			num_nodes * (sizeof(struct crat_subtype_computeunit) +

			sizeof(struct crat_subtype_memory) +

			(num_nodes - 1) * sizeof(struct crat_subtype_iolink));

		pcrat_image = kmalloc(dyn_size, GFP_KERNEL);

		pcrat_image = kvmalloc(dyn_size, GFP_KERNEL);

		if (!pcrat_image)

			return -ENOMEM;

		*size = dyn_size;
@@ -1393,7 +1394,7 @@ int kfd_create_crat_image_virtual(void **crat_image, size_t *size, 
	case COMPUTE_UNIT_GPU:

		if (!kdev)

			return -EINVAL;

		pcrat_image = kmalloc(VCRAT_SIZE_FOR_GPU, GFP_KERNEL);

		pcrat_image = kvmalloc(VCRAT_SIZE_FOR_GPU, GFP_KERNEL);

		if (!pcrat_image)

			return -ENOMEM;

		*size = VCRAT_SIZE_FOR_GPU;
@@ -1412,7 +1413,7 @@ int kfd_create_crat_image_virtual(void **crat_image, size_t *size, 
	if (!ret)

		*crat_image = pcrat_image;

	else

		kfree(pcrat_image);

		kvfree(pcrat_image);



	return ret;

}

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