Hi KOSAKI, On Wed, Dec 8, 2010 at 5:02 PM, KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote: >> This patch adds profile information about invalidated page reclaim. >> It's just for profiling for test so it would be discard when the series >> are merged. >> >> Signed-off-by: Minchan Kim <minchan.kim@xxxxxxxxx> >> Cc: Rik van Riel <riel@xxxxxxxxxx> >> Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> >> Cc: Wu Fengguang <fengguang.wu@xxxxxxxxx> >> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> >> Cc: Nick Piggin <npiggin@xxxxxxxxx> >> Cc: Mel Gorman <mel@xxxxxxxxx> >> --- >> include/linux/vmstat.h | 4 ++-- >> mm/swap.c | 3 +++ >> mm/vmstat.c | 3 +++ >> 3 files changed, 8 insertions(+), 2 deletions(-) > > Today, we have tracepoint. tracepoint has no overhead if it's unused. > but vmstat has a overhead even if unused. > > Then, all new vmstat proposal should be described why you think it is > frequently used from administrators. It's just for easy gathering the data when Ben will test. I never want to merge it in upstream and even mmtom. If you don't like it for just testing, I am happy to change it with tracepoint. Thanks. -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href