| Message ID | 20220224121134.35068-1-linmiaohe@huawei.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm: use helper macro min and max in unmap_mapping_range_tree | expand |
diff --git a/mm/memory.c b/mm/memory.c index 47b667f6b600..7d0f80135a41 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3339,12 +3339,8 @@ static inline void unmap_mapping_range_tree(struct rb_root_cached *root, vma_interval_tree_foreach(vma, root, first_index, last_index) { vba = vma->vm_pgoff; vea = vba + vma_pages(vma) - 1; - zba = first_index; - if (zba < vba) - zba = vba; - zea = last_index; - if (zea > vea) - zea = vea; + zba = max(first_index, vba); + zea = min(last_index, vea); unmap_mapping_range_vma(vma, ((zba - vba) << PAGE_SHIFT) + vma->vm_start,
Use helper macro min and max to help simplify the code logic. Minor readability improvement. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/memory.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)