[PATCH v12 55/69] mm/memcontrol: stop using mm->highest_vm_end

Liam Howlett
2022-07-20T02:23:58Z

Pass through ULONG_MAX instead.

Link: https://lkml.kernel.org/r/20220504011345.662299-40-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20220621204632.3370049-56-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memcontrol.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 655c09393ad5..d8e1b9ff72e6 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5833,7 +5833,7 @@ 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;
@@ -6131,9 +6131,7 @@ 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