From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Wed, 17 Feb 2021 14:19:38 +0000 (-0500)
Subject: mm/mmap: ULONG_MAX in do_brk_munmap
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e0761dde75d1654611b3b3c77c4e37f891933596;p=users%2Fjedix%2Flinux-maple.git

mm/mmap: ULONG_MAX in do_brk_munmap

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---

diff --git a/mm/mmap.c b/mm/mmap.c
index 437017b5555e..bd3d34f2fde3 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2950,7 +2950,7 @@ static int do_brk_munmap(struct ma_state *mas, struct vm_area_struct *vma,
 
 	ret = 1;
 	ma_next = *mas;
-	next = mas_next(&ma_next, -1);
+	next = mas_next(&ma_next, ULONG_MAX);
 	// Change the oldbrk of vma to the newbrk of the munmap area
 	vma_adjust_trans_huge(vma, vma->vm_start, newbrk, 0);
 	if (vma->anon_vma) {