diff options
| author | Yu Zhao <yuzhao@google.com> | 2022-12-21 21:19:06 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-18 17:12:49 -0800 |
| commit | f386e9314025ea99dae639ed2032560a92081430 (patch) | |
| tree | 2fdd7bf2b441b0ef6b74aca50d3c376f7bbe22ca /mm/vmscan.c | |
| parent | e9d4e1ee788097484606c32122f146d802a9c5fb (diff) | |
mm: multi-gen LRU: simplify arch_has_hw_pte_young() check
Scanning page tables when hardware does not set the accessed bit has
no real use cases.
Link: https://lkml.kernel.org/r/20221222041905.2431096-9-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michael Larabel <Michael@MichaelLarabel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 2964652d1aa8..7c3fd900a89d 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -4428,7 +4428,7 @@ static bool try_to_inc_max_seq(struct lruvec *lruvec, unsigned long max_seq, * handful of PTEs. Spreading the work out over a period of time usually * is less efficient, but it avoids bursty page faults. */ - if (!force_scan && !(arch_has_hw_pte_young() && get_cap(LRU_GEN_MM_WALK))) { + if (!arch_has_hw_pte_young() || !get_cap(LRU_GEN_MM_WALK)) { success = iterate_mm_list_nowalk(lruvec, max_seq); goto done; } |