From: changzhu <Changfeng.Zhu@xxxxxxx> From: Changfeng <Changfeng.Zhu@xxxxxxx> It will cause error when alloc memory larger than 128KB in amdgpu_bo_create->kzalloc. So it needs to switch kzalloc to kvmalloc. 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] Change-Id: If4082b0f7ba4fcd566af759e010840bc1a779747 Signed-off-by: Changfeng <Changfeng.Zhu@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 15cee49f11e2..e5f62ca047a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -100,7 +100,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo) kfree(ubo->metadata); } - kfree(bo); + kvfree(bo); } /** @@ -565,7 +565,7 @@ 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 = kvmalloc(bp->bo_ptr_size, GFP_KERNEL | __GFP_ZERO); if (bo == NULL) return -ENOMEM; drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size); -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
