From 8fff8b6f8d0ef7620e06f3f4cfb912171aef6cd5 Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Tue, 10 Jan 2023 21:36:21 +0800 Subject: [PATCH] mm: compaction: add missing kcompactd wakeup trace event Add missing kcompactd wakeup trace event for proactive compaction, meanwhile use order = -1 and the highest zone index of the pgdat for the kcompactd wakeup trace event by proactive compaction. Link: https://lkml.kernel.org/r/cbf8097a2d8a1b6800991f2a21575550d3613ce6.1673342761.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- mm/compaction.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/compaction.c b/mm/compaction.c index 62f6bb6..0fd6c81 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2730,6 +2730,8 @@ int compaction_proactiveness_sysctl_handler(struct ctl_table *table, int write, continue; pgdat->proactive_compact_trigger = true; + trace_mm_compaction_wakeup_kcompactd(pgdat->node_id, -1, + pgdat->nr_zones - 1); wake_up_interruptible(&pgdat->kcompactd_wait); } } -- 2.7.4