From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Wed, 17 Feb 2021 14:19:25 +0000 (-0500)
Subject: mm/mmap: ULONG_MAX in detach_range
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=982bdf4b47180f2651fdc47da5d0d052a5a70814;p=users%2Fjedix%2Flinux-maple.git

mm/mmap: ULONG_MAX in detach_range

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

diff --git a/mm/mmap.c b/mm/mmap.c
index 6c237080279d0..437017b5555ed 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2334,7 +2334,7 @@ static inline unsigned long detach_range(struct mm_struct *mm,
 
 	mas_set(&mas, src->last + 1);
 	/* Drop removed area from the tree */
-	*vma = mas_find(&mas, -1);
+	*vma = mas_find(&mas, ULONG_MAX);
 	mas_store_gfp(src, NULL, GFP_KERNEL);
 	/* Decrement map_count */
 	mm->map_count -= count;