On Wed, Jan 02, 2008 at 01:54:12PM -0800, Christoph Lameter wrote: > Just traced it again on my system: It is okay for the number of pages on > the quicklist to reach the high count that we see (although the 16 bit > limits are weird. You have around 4GB of memory in the system?). Up to > 1/16th of free memory of a node can be allocated for quicklists (this > allows the effective shutting down and restarting of large amounts of > processes) > > The problem may be that this is run on a HIGHMEM system and the > calculation of allowable pages on the quicklists does not take into > account that highmem pages are not usable for quicklists (not sure about > ZONE_MOVABLE on i386. Maybe we need to take that into account as well?) > > Here is a patch that removes the HIGHMEM portion from the calculation. > Does this change anything: >
Yep. This one hits it. I don't see the obvious signs of the oom happening in the 5 mins I have run the script. I will let it run for some more time. Thanks! -- regards, Dhaval -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
