On Wed, 29 Jun 2016, Nikolay Borisov wrote: > Right, so what debugging concretely do you have in mind. So far what I > did was reboot the machine with SLUB merging disabled, since there are > quite a lot of slabs being merged into that particular one: > > :t-0000192 <- cred_jar pid_3 inet_peer_cache request_sock_TCPv6 > kmalloc-192 file_lock_cache bio-0 ip_dst_cache key_jar > > I'm quite sure it's likely it's one of the either networking or bio-0 > slab cache, since the others seems generally not very used.
Reboot the box with "slub_debug" on the kernel command line. Then post the output of /sys/kernel/slab/kmalloc-128/alloc_calls and free_call after you have recreated the situation.
