From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Mon, 4 Jan 2021 19:59:05 +0000 (-0500)
Subject: mm/memcontrol: Stop using mm->highest_vm_end
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a10bb58d62b0bb04a539fb0e6fa048ccbb7c9dea;p=users%2Fwilly%2Flinux.git

mm/memcontrol: Stop using mm->highest_vm_end

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

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6da5020a8656..1bdcda3fe492 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5831,7 +5831,7 @@ static unsigned long mem_cgroup_count_precharge(struct mm_struct *mm)
 	unsigned long precharge;
 
 	mmap_read_lock(mm);
-	walk_page_range(mm, 0, mm->highest_vm_end, &precharge_walk_ops, NULL);
+	walk_page_range(mm, 0, -1, &precharge_walk_ops, NULL);
 	mmap_read_unlock(mm);
 
 	precharge = mc.precharge;
@@ -6129,9 +6129,7 @@ retry:
 	 * When we have consumed all precharges and failed in doing
 	 * additional charge, the page walk just aborts.
 	 */
-	walk_page_range(mc.mm, 0, mc.mm->highest_vm_end, &charge_walk_ops,
-			NULL);
-
+	walk_page_range(mc.mm, 0, -1, &charge_walk_ops, NULL);
 	mmap_read_unlock(mc.mm);
 	atomic_dec(&mc.from->moving_account);
 }