From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx> 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/20220504011345.662299-14-Liam.Howlett@xxxxxxxxxx Link: https://lkml.kernel.org/r/20220519150509.1290067-1-Liam.Howlett@xxxxxxxxxx Link: https://lkml.kernel.org/r/20220621204632.3370049-30-Liam.Howlett@xxxxxxxxxx Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> Cc: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Cc: SeongJae Park <sj@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mmap.c b/mm/mmap.c index 280fc2d2854e..29494ff6c0e6 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3085,7 +3085,7 @@ 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; } -- 2.35.1
