Re: OOM-killer and strange RSS value in 3.9-rc7

Christoph Lameter
2013-04-25T17:17:30Z

On Thu, 25 Apr 2013, Han Pingtian wrote:

> I have enabled "slub_debug" and here is the
> /sys/kernel/slab/kmalloc-512/alloc_calls contents:
>
> 50 .__alloc_workqueue_key+0x90/0x5d0 age=113630/116957/119419 pid=1-1730 cpus=0,6-8,13,24,26,44,53,57,60,68 nodes=1
> 11 .__alloc_workqueue_key+0x16c/0x5d0 age=113814/116733/119419 pid=1-1730 cpus=0,44,68 nodes=1
> 13 .add_sysfs_param.isra.2+0x80/0x210 age=115175/117994/118779 pid=1-1342 cpus=0,8,12,24,60 nodes=1
> 160 .build_sched_domains+0x108/0xe30 age=119111/119120/119131 pid=1 cpus=0 nodes=1
> 9000 .alloc_fair_sched_group+0xe4/0x220 age=110549/114471/117357 pid=1-2290 cpus=0-1,5,9-11,13,24,29,33,36,38,40-41,45,48-50,53,56-58,60-63,68-69,72-73,76-77,79 nodes=1
> 9000 .alloc_fair_sched_group+0x114/0x220 age=110549/114471/117357 pid=1-2290 cpus=0-1,5,9-11,13,24,29,33,36,38,40-41,45,48-50,53,56-58,60-63,68-69,72-73,76-77,79 nodes=1

?? Is that normal to have that amount of sched group allocations?