From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Wed, 17 Feb 2021 14:16:52 +0000 (-0500)
Subject: mempolicy: Fix mbind_range -1 to ULONG_MAX
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=7950c3ae23936790905b09e419095e423b2cc44e;p=users%2Fjedix%2Flinux-maple.git

mempolicy: Fix mbind_range -1 to ULONG_MAX

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

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index ae7ed639ba4bb..abbef34fe4200 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -812,7 +812,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
 	unsigned long vmend;
 	MA_STATE(mas, &mm->mm_mt, start, start);
 
-	vma = mas_find(&mas, -1);
+	vma = mas_find(&mas, ULONG_MAX);
 	VM_BUG_ON(!vma);
 
 	prev = mas_prev(&mas, 0);