Commit 31c759bb authored by Changfeng's avatar Changfeng Committed by Alex Deucher
Browse files

drm/amdgpu: switch kzalloc to kvzalloc in amdgpu_bo_create 



It will cause error when alloc memory larger than 128KB in
amdgpu_bo_create->kzalloc. So it needs to switch kzalloc to kvzalloc.

Call Trace:
   alloc_pages_current+0x6a/0xe0
   kmalloc_order+0x32/0xb0
   kmalloc_order_trace+0x1e/0x80
   __kmalloc+0x249/0x2d0
   amdgpu_bo_create+0x102/0x500 [amdgpu]
   ? xas_create+0x264/0x3e0
   amdgpu_bo_create_vm+0x32/0x60 [amdgpu]
   amdgpu_vm_pt_create+0xf5/0x260 [amdgpu]
   amdgpu_vm_init+0x1fd/0x4d0 [amdgpu]

Signed-off-by: default avatarChangfeng <Changfeng.Zhu@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 23e4aa51

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+2 −2
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo) 
		kfree(ubo->metadata);

	}



	kfree(bo);

	kvfree(bo);

}



/**
@@ -541,7 +541,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev, 
	BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo));



	*bo_ptr = NULL;

	bo = kzalloc(bp->bo_ptr_size, GFP_KERNEL);

	bo = kvzalloc(bp->bo_ptr_size, GFP_KERNEL);

	if (bo == NULL)

		return -ENOMEM;

	drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size);