From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Thu, 14 Apr 2022 06:07:23 +0000 (-0700)
Subject: mm/oom_kill: use maple tree iterators instead of vma linked list
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=59335006d9948b49632a9b74cf3424af7aa4e7a2;p=users%2Fjedix%2Flinux-maple.git

mm/oom_kill: use maple tree iterators instead of vma linked list

Link: https://lkml.kernel.org/r/20220404143501.2016403-63-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 7ec38194f8e1..cc25bd430b68 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -513,6 +513,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
 {
 	struct vm_area_struct *vma;
 	bool ret = true;
+	VMA_ITERATOR(vmi, mm, 0);
 
 	/*
 	 * Tell all users of get_user/copy_from_user etc... that the content
@@ -522,7 +523,7 @@ bool __oom_reap_task_mm(struct mm_struct *mm)
 	 */
 	set_bit(MMF_UNSTABLE, &mm->flags);
 
-	for (vma = mm->mmap ; vma; vma = vma->vm_next) {
+	for_each_vma(vmi, vma) {
 		if (vma->vm_flags & (VM_HUGETLB|VM_PFNMAP))
 			continue;