diff options
| author |   Kent Russell <kent.russell@amd.com> | 2020-09-18 14:47:47 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-09-22 12:27:03 -0400 |
| commit | d0e63b343e575e8b74c185565b0d79a93494bcaa (patch) | |
| tree | d0203d1ac28605084a32a69327699b5115a5088a /drivers/gpu/drm/amd/amdkfd | |
| parent | drm/amdkfd: Fix kfd init stack dump (diff) | |
| download | linux-dev-d0e63b343e575e8b74c185565b0d79a93494bcaa.tar.xz linux-dev-d0e63b343e575e8b74c185565b0d79a93494bcaa.zip | |
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: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index f76aa5603d2d..d2981524dba0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -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; } |