On Wed, 24 Apr 2013, Michal Hocko wrote: > [CCing SL.B people and linux-mm list] > > Just for quick summary. The reporter sees OOM situations with almost > whole memory filled with slab memory. This is a powerpc machine with 4G > RAM. Boot with "slub_debug" or enable slab debugging. > /proc/slabinfo shows that almost whole slab occupied memory is on Please enable debugging and look at where these objects were allocated. > It is not clear who consumes that memory and the reporter claims this is > vanilla 3.9-rc7 kernel without any third party modules loaded. The issue > seems to be present only with CONFIG_SLUB. cat /sys/kernel/slab/kmalloc-*/alloc_calls will show where these objects are allocated. A dump of the other fields in /sys/kernel/slab/kmalloc*/* would also be useful. -- 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>