linux-kernel - [PATCH v2 57/70] mm/memcontrol: Stop using mm->highest_vm

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Message-Id: <20210112161240.2024684-58-Liam.Howlett@Oracle.com>
Date:   Tue, 12 Jan 2021 11:12:27 -0500
From:   "Liam R. Howlett" <Liam.Howlett@...cle.com>
To:     maple-tree@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...gle.com>, Song Liu <songliubraving@...com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        Jerome Glisse <jglisse@...hat.com>,
        David Rientjes <rientjes@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Rik van Riel <riel@...riel.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH v2 57/70] mm/memcontrol: Stop using mm->highest_vm_end

Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
---
 mm/memcontrol.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 29459a6ce1c7a..7fe753d6a81f1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5892,7 +5892,7 @@ 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;
@@ -6190,9 +6190,7 @@ static void mem_cgroup_move_charge(void)
 	 * 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);
 }
-- 
2.28.0