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authorMel Gorman <mgorman@suse.de>2012-10-19 14:07:31 +0100
committerMel Gorman <mgorman@suse.de>2012-12-11 14:28:35 +0000
commit7b2a2d4a18fffac3c4872021529b0657896db788 (patch)
treea0f05be191f12711a774368f6feb15bcd2eebf1a /include/linux/vm_event_item.h
parent5647bc293ab15f66a7b1cda850c5e9d162a6c7c2 (diff)
mm: migrate: Add a tracepoint for migrate_pages
The pgmigrate_success and pgmigrate_fail vmstat counters tells the user about migration activity but not the type or the reason. This patch adds a tracepoint to identify the type of page migration and why the page is being migrated. Signed-off-by: Mel Gorman <mgorman@suse.de> Reviewed-by: Rik van Riel <riel@redhat.com>
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