From f9871da927437dc85bc3fec206fc9bfddea4a34b Mon Sep 17 00:00:00 2001 From: Miaohe Lin Date: Tue, 22 Mar 2022 14:42:33 -0700 Subject: [PATCH] mm/memory.c: use helper macro min and max in unmap_mapping_range_tree() Use helper macro min and max to help simplify the code logic. Minor readability improvement. Link: https://lkml.kernel.org/r/20220224121134.35068-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/memory.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index 3cbcf3a..c962814 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3350,12 +3350,8 @@ 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, -- 2.7.4