From 36cb1e4d7ae210a60dc9628db54ce9ea255d8929 Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Sun, 2 Aug 2020 20:27:36 -0400 Subject: [PATCH] mm/mmap: Zero maple tree area in a single set when detatching Signed-off-by: Liam R. Howlett --- mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mmap.c b/mm/mmap.c index d176e0405111..4444324151d0 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2520,8 +2520,8 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma, insertion_point = (prev ? &prev->vm_next : &mm->mmap); vma->vm_prev = NULL; + vma_mt_szero(mm, vma->vm_start, end); do { - vma_mt_erase(mm, vma); mm->map_count--; tail_vma = vma; vma = vma->vm_next; -- 2.50.1