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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
