The patch titled vmstat: update zone stat threshold when onlining a cpu has been added to the -mm tree. Its filename is vmstat-update-zone-stat-threshold-when-onlining-a-cpu.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: vmstat: update zone stat threshold when onlining a cpu From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> refresh_zone_stat_thresholds() calculates parameter based on the number of online cpus. It's called at cpu offlining but needs to be called at onlining, too. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx> Cc: Mel Gorman <mel@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/vmstat.c | 1 + 1 file changed, 1 insertion(+) diff -puN mm/vmstat.c~vmstat-update-zone-stat-threshold-when-onlining-a-cpu mm/vmstat.c --- a/mm/vmstat.c~vmstat-update-zone-stat-threshold-when-onlining-a-cpu +++ a/mm/vmstat.c @@ -998,6 +998,7 @@ static int __cpuinit vmstat_cpuup_callba switch (action) { case CPU_ONLINE: case CPU_ONLINE_FROZEN: + refresh_zone_stat_thresholds(); start_cpu_timer(cpu); node_set_state(cpu_to_node(cpu), N_CPU); break; _ Patches currently in -mm which might be from kamezawa.hiroyu@xxxxxxxxxxxxxx are oom-fix-null-pointer-dereference.patch oom-fix-tasklist_lock-leak.patch vmstat-update-zone-stat-threshold-when-onlining-a-cpu.patch vfs-introduce-fmode_neg_offset-for-allowing-negative-f_pos.patch vmscan-do-not-writeback-filesystem-pages-in-direct-reclaim.patch vmscan-kick-flusher-threads-to-clean-pages-when-reclaim-is-encountering-dirty-pages.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html