Commit f9871da9 authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

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: default avatarMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 88a35912

mm/memory.c

+2 −6
Original line number Diff line number Diff line
@@ -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,