The quilt patch titled
Subject: mm/mmap: change do_brk_munmap() to use do_mas_align_munmap()
has been removed from the -mm tree. Its filename was
mm-mmap-change-do_brk_munmap-to-use-do_mas_align_munmap.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
Subject: mm/mmap: change do_brk_munmap() to use do_mas_align_munmap()
Date: Tue, 6 Sep 2022 19:48:52 +0000
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.
Link: https://lkml.kernel.org/r/20220906194824.2110408-30-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Tested-by: Yu Zhao <yuzhao@xxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Cc: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Cc: SeongJae Park <sj@xxxxxxxxxx>
Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/mmap.c~mm-mmap-change-do_brk_munmap-to-use-do_mas_align_munmap
+++ a/mm/mmap.c
@@ -3042,7 +3042,7 @@ static int do_brk_munmap(struct ma_state
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;
}
_
Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are
