From ba0aff8ea6ff0ba4dacfc896facadf3d91c8cd8a Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Tue, 6 Sep 2022 19:49:01 +0000 Subject: [PATCH] mm/memcontrol: stop using mm->highest_vm_end Pass through ULONG_MAX instead. Link: https://lkml.kernel.org/r/20220906194824.2110408-56-Liam.Howlett@oracle.com Signed-off-by: Liam R. Howlett Tested-by: Yu Zhao Cc: Catalin Marinas Cc: David Hildenbrand Cc: David Howells Cc: Davidlohr Bueso Cc: "Matthew Wilcox (Oracle)" Cc: SeongJae Park Cc: Sven Schnelle Cc: Vlastimil Babka Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/memcontrol.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 392b1fd1e8c4..e804056422db 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5879,7 +5879,7 @@ 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; @@ -6177,9 +6177,7 @@ 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); }