Messages in this thread Patch in this message | | | From | Liam Howlett <> | Subject | [PATCH v12 29/69] mm/mmap: change do_brk_munmap() to use do_mas_align_munmap() | Date | Wed, 20 Jul 2022 02:17:53 +0000 |
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From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>
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@oracle.com Link: https://lkml.kernel.org/r/20220519150509.1290067-1-Liam.Howlett@oracle.com Link: https://lkml.kernel.org/r/20220621204632.3370049-30-Liam.Howlett@oracle.com Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: David Howells <dhowells@redhat.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: SeongJae Park <sj@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Will Deacon <will@kernel.org> Cc: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- 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
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