From 98455eef806448b2144fd47655e09abc9f6530c8 Mon Sep 17 00:00:00 2001 From: Shakeel Butt Date: Wed, 14 Aug 2024 22:04:53 -0700 Subject: [PATCH] memcg: make PGPGIN and PGPGOUT v1 only Currently PGPGIN and PGPGOUT are used and exposed in the memcg v1 only code. So, let's put them under CONFIG_MEMCG_V1. Link: https://lkml.kernel.org/r/20240815050453.1298138-8-shakeel.butt@linux.dev Signed-off-by: Shakeel Butt Cc: Johannes Weiner Cc: Michal Hocko Cc: Muchun Song Cc: Roman Gushchin Cc: T.J. Mercier Signed-off-by: Andrew Morton --- mm/memcontrol.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6b4b51caf71b..1decbd38216e 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -408,8 +408,10 @@ unsigned long lruvec_page_state_local(struct lruvec *lruvec, /* Subset of vm_event_item to report for memcg event stats */ static const unsigned int memcg_vm_event_stat[] = { +#ifdef CONFIG_MEMCG_V1 PGPGIN, PGPGOUT, +#endif PGSCAN_KSWAPD, PGSCAN_DIRECT, PGSCAN_KHUGEPAGED, @@ -1429,10 +1431,11 @@ static void memcg_stat_format(struct mem_cgroup *memcg, struct seq_buf *s) memcg_events(memcg, PGSTEAL_KHUGEPAGED)); for (i = 0; i < ARRAY_SIZE(memcg_vm_event_stat); i++) { +#ifdef CONFIG_MEMCG_V1 if (memcg_vm_event_stat[i] == PGPGIN || memcg_vm_event_stat[i] == PGPGOUT) continue; - +#endif seq_buf_printf(s, "%s %lu\n", vm_event_name(memcg_vm_event_stat[i]), memcg_events(memcg, memcg_vm_event_stat[i]));