On Tue, Apr 6, 2010 at 12:09 PM, Arve Hjønnevåg <arve@xxxxxxxxxxx> wrote: > This fixes a problem where the first pageblock got marked MIGRATE_RESERVE even > though it only had a few free pages. This in turn caused no contiguous memory > to be reserved and frequent kswapd wakeups that emptied the caches to get more > contiguous memory. It would be better to add following your description of previous mail thread. It can help others understand it in future. On Fri, Apr 02, 2010 at 05:59:00PM -0700, Arve Hj?nnev?g wrote: ... "I think this happens by default on arm. The kernel starts at offset 0x8000 to leave room for boot parameters, and in recent kernel versions (>~2.6.26-29) this memory is freed." -- 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/ . Don't email: <a href