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| author |   Cai Huoqing <caihuoqing@baidu.com> | 2021-08-02 11:33:08 +0800 |
|---|---|---|
| committer |   Zack Rusin <zackr@vmware.com> | 2021-08-09 17:30:34 -0400 |
| commit | bc65754ca61498f2bb351f6b0ad56f853fc7a966 (patch) | |
| tree | 784163a68d7cf96f357cd66113f2272c6eca4754 /drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | |
| parent | drm/vmwgfx: fix potential UAF in vmwgfx_surface.c (diff) | |
| download | linux-dev-bc65754ca61498f2bb351f6b0ad56f853fc7a966.tar.xz linux-dev-bc65754ca61498f2bb351f6b0ad56f853fc7a966.zip | |
drm/vmwgfx: Make use of PFN_ALIGN/PFN_UP helper macro
it's a refactor to make use of PFN_ALIGN/PFN_UP helper macro
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210802033308.927-1-caihuoqing@baidu.com
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_bo.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index 362f56d5b12b..9e3e1429db94 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -405,7 +405,7 @@ static size_t vmw_bo_acc_size(struct vmw_private *dev_priv, size_t size, bool user) { static size_t struct_size, user_struct_size; - size_t num_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; + size_t num_pages = PFN_UP(size); size_t page_array_size = ttm_round_pot(num_pages * sizeof(void *)); if (unlikely(struct_size == 0)) { @@ -474,7 +474,6 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size, struct ttm_placement *placement, struct ttm_buffer_object **p_bo) { - unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT; struct ttm_operation_ctx ctx = { false, false }; struct ttm_buffer_object *bo; size_t acc_size; @@ -485,7 +484,7 @@ int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size, return -ENOMEM; acc_size = ttm_round_pot(sizeof(*bo)); - acc_size += ttm_round_pot(npages * sizeof(void *)); + acc_size += ttm_round_pot(PFN_UP(size) * sizeof(void *)); acc_size += ttm_round_pot(sizeof(struct ttm_tt)); ret = ttm_mem_global_alloc(&ttm_mem_glob, acc_size, &ctx); |