Messages in this thread Patch in this message | | | From | Alex Shi <> | Subject | [PATCH 13/14] lru/vmscan: using per lruvec lru_lock in get_scan_count | Date | Tue, 20 Aug 2019 17:48:36 +0800 |
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The lruvec is passed as parameter, so no lruvec->pgdat syncing needed.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Kirill Tkhai <ktkhai@virtuozzo.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Daniel Jordan <daniel.m.jordan@oracle.com> Cc: Yafang Shao <laoar.shao@gmail.com> Cc: Yang Shi <yang.shi@linux.alibaba.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: cgroups@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/vmscan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c index 123447b9beda..ea5c2f3f2567 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2372,7 +2372,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg, file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE, MAX_NR_ZONES) + lruvec_lru_size(lruvec, LRU_INACTIVE_FILE, MAX_NR_ZONES); - spin_lock_irq(&pgdat->lruvec.lru_lock); + spin_lock_irq(&lruvec->lru_lock); if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) { reclaim_stat->recent_scanned[0] /= 2; reclaim_stat->recent_rotated[0] /= 2; @@ -2393,7 +2393,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg, fp = file_prio * (reclaim_stat->recent_scanned[1] + 1); fp /= reclaim_stat->recent_rotated[1] + 1; - spin_unlock_irq(&pgdat->lruvec.lru_lock); + spin_unlock_irq(&lruvec->lru_lock); fraction[0] = ap; fraction[1] = fp; -- 1.8.3.1
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