[v14,29/70] mm/mmap: change do_brk_munmap() to use do_mas_align_munmap()

Commit Message

Liam R. Howlett Sept. 6, 2022, 7:48 p.m. UTC

From: "Liam R. Howlett" <[e-mail]>

do_brk_munmap() has already aligned the address and has a maple tree state
to be used.  Use the new do_mas_align_munmap() to avoid unnecessary
alignment and error checks.

Signed-off-by: Liam R. Howlett <[e-mail]>
---
 mm/mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/mm/mmap.c b/mm/mmap.c
index 6e587f4e3a7d..8b7e9d5afd38 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3042,7 +3042,7 @@  static int do_brk_munmap(struct ma_state *mas, struct vm_area_struct *vma,
 	int ret;
 
 	arch_unmap(mm, newbrk, oldbrk);
-	ret = do_mas_munmap(mas, mm, newbrk, oldbrk-newbrk, uf, true);
+	ret = do_mas_align_munmap(mas, vma, mm, newbrk, oldbrk, uf, true);
 	validate_mm_mt(mm);
 	return ret;
 }