> Recently, We had a similar issue. > http://www.spinics.net/lists/linux-mm/msg12243.html > But it seems to not merge. I don't know why since I didn't follow up the thread. > Maybe Cced guys can help you. > > Is it a sudden big cache drop at the moment or accumulated small cache > drop for long time? > What's your zones' size? > > Please attach the result of cat /proc/zoneinfo for others. If my remember is correct, 2.6.38 is included Mel's anti agressive reclaim patch. And original report seems to be using 2.6.37.x. John, can you try 2.6.38? -- 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 internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>