linux-kernel - [PATCH v9 55/69] mm/memcontrol: stop using mm->highest_vm

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Message-ID: <20220504011345.662299-40-Liam.Howlett@oracle.com>
Date:   Wed, 4 May 2022 01:14:03 +0000
From:   Liam Howlett <liam.howlett@...cle.com>
To:     "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v9 55/69] mm/memcontrol: stop using mm->highest_vm_end

From: "Liam R. Howlett" <Liam.Howlett@...cle.com>

Pass through ULONG_MAX instead.

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 d180ef985b17..ef0cc6111512 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5755,7 +5755,7 @@ 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, ULONG_MAX, &precharge_walk_ops, NULL);
 	mmap_read_unlock(mm);
 
 	precharge = mc.precharge;
@@ -6053,9 +6053,7 @@ 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, ULONG_MAX, &charge_walk_ops, NULL);
 	mmap_read_unlock(mc.mm);
 	atomic_dec(&mc.from->moving_account);
 }
-- 
2.35.1