[PATCH 5/5] mm: autonuma: Specify the migration reason for the tracepoint
From: Mel Gorman <mgorman@suse.de>
Date: 2012-10-22 08:14:26
Also in:
lkml
Subsystem:
memory management, memory management - memory policy and migration, the rest, tracing · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds, Steven Rostedt, Masami Hiramatsu
Record in the migrate_pages tracepoint that the migration is for AutoNUMA. Signed-off-by: Mel Gorman <mgorman@suse.de> --- include/linux/migrate.h | 1 + include/trace/events/migrate.h | 1 + mm/autonuma.c | 3 ++- 3 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 9d1c159..ba17e56 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h@@ -13,6 +13,7 @@ enum migrate_reason { MR_MEMORY_HOTPLUG, MR_SYSCALL, /* also applies to cpusets */ MR_MEMPOLICY_MBIND, + MR_AUTONUMA, MR_CMA };
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index ec2a6cc..2eaaf90 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h@@ -15,6 +15,7 @@ {MR_MEMORY_HOTPLUG, "memory_hotplug"}, \ {MR_SYSCALL, "syscall_or_cpuset"}, \ {MR_MEMPOLICY_MBIND, "mempolicy_mbind"}, \ + {MR_AUTONUMA, "autonuma"}, \ {MR_CMA, "cma"} TRACE_EVENT(mm_migrate_pages,
diff --git a/mm/autonuma.c b/mm/autonuma.c
index 4db53a1..cb02641 100644
--- a/mm/autonuma.c
+++ b/mm/autonuma.c@@ -249,7 +249,8 @@ static bool autonuma_migrate_page(struct page *page, int dst_nid, pages_migrated += isolated; /* FIXME: per node */ nr_remaining = migrate_pages(&migratepages, alloc_migrate_dst_page, - pgdat->node_id, false, MIGRATE_ASYNC); + pgdat->node_id, false, MIGRATE_ASYNC, + MR_AUTONUMA); count_vm_events(NUMA_PAGE_MIGRATE, isolated - nr_remaining); if (nr_remaining) putback_lru_pages(&migratepages);
--
1.7.7
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