From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Tue, 1 Dec 2020 02:27:00 +0000 (-0500)
Subject: mm/mmap: move populate calc in vm_brk_flags() ouside the mmap_write_unlock
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3634cba4fbd408c608a7b3f009c02901c2c8d64f;p=users%2Fjedix%2Flinux-maple.git

mm/mmap: move populate calc in vm_brk_flags() ouside the mmap_write_unlock

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

diff --git a/mm/mmap.c b/mm/mmap.c
index b43452e0ae9e..60aefcc3c4f3 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3159,8 +3159,8 @@ int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags)
 	// This vma left intentionally blank.
 	mas_walk(&mas);
 	ret = do_brk_flags(&mas, &vma, addr, len, flags);
-	populate = ((mm->def_flags & VM_LOCKED) != 0);
 	mmap_write_unlock(mm);
+	populate = ((mm->def_flags & VM_LOCKED) != 0);
 	if (populate && !ret)
 		mm_populate_vma(vma, addr, addr + len);
 	return ret;