2021-06-25 02:05:14

by huqiqiao

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Subject: [PATCH] drm/amdgpu: use kvcalloc for entry->entries

malloc_array + __GFP_ZERO is the same with kvcalloc.

Signed-off-by: huqiqiao <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b8c31e3469c0..5cadfadc625f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -909,7 +909,7 @@ static int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,

num_entries = amdgpu_vm_num_entries(adev, cursor->level);
entry->entries = kvcalloc(num_entries,
- sizeof(*entry->entries), GFP_KERNEL);
+ sizeof(*entry->entries), GFP_KERNEL);
if (!entry->entries)
return -ENOMEM;
}
--
2.11.0




2021-06-28 22:34:28

by Christian König

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Subject: Re: [PATCH] drm/amdgpu: use kvcalloc for entry->entries



Am 25.06.21 um 04:03 schrieb huqiqiao:
> malloc_array + __GFP_ZERO is the same with kvcalloc.
>
> Signed-off-by: huqiqiao <[email protected]>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index b8c31e3469c0..5cadfadc625f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -909,7 +909,7 @@ static int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
>
> num_entries = amdgpu_vm_num_entries(adev, cursor->level);
> entry->entries = kvcalloc(num_entries,
> - sizeof(*entry->entries), GFP_KERNEL);
> + sizeof(*entry->entries), GFP_KERNEL);

All you seem to do here is to mess up the indentation?

Christian.

> if (!entry->entries)
> return -ENOMEM;
> }