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drm/amdkfd: Use kvmalloc instead of kmalloc for VCRAT

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

Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kent Russell 2020-09-18 14:47:47 -04:00 committed by Alex Deucher
parent e8f58ee143
commit d0e63b343e
1 changed files with 5 additions and 4 deletions
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9
drivers/gpu/drm/amd/amdkfd/kfd_crat.c
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@ -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;
}