mm/memcontrol: stop using mm->highest_vm_end

Pass through ULONG_MAX instead.

Link: https://lkml.kernel.org/r/20220404143501.2016403-57-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7924c77d213ff505c771ae8fee2e486412409c6c..27567b047f2df91e1c25ae1815b3d4cc01e87dc6 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5760,7 +5760,7 @@ 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;
@@ -6058,9 +6058,7 @@ 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, ULONG_MAX, &charge_walk_ops, NULL);
        mmap_read_unlock(mc.mm);
        atomic_dec(&mc.from->moving_account);
 }