On Fri, Oct 19, 2012 at 2:46 AM, <wency@xxxxxxxxxxxxxx> wrote: > From: Wen Congyang <wency@xxxxxxxxxxxxxx> > > We use __free_page() to put a page to buddy system when onlining pages. > __free_page() will store NR_FREE_PAGES in zone's pcp.vm_stat_diff, so we > should allocate zone's pcp before onlining pages, otherwise we will lose > some free pages. > > CC: David Rientjes <rientjes@xxxxxxxxxx> > CC: Jiang Liu <liuj97@xxxxxxxxx> > CC: Len Brown <len.brown@xxxxxxxxx> > CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > CC: Paul Mackerras <paulus@xxxxxxxxx> > CC: Christoph Lameter <cl@xxxxxxxxx> > Cc: Minchan Kim <minchan.kim@xxxxxxxxx> > CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > CC: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> > CC: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx> > Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx> Looks good. Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>