diff options
| author | Reza Arbab <arbab@linux.vnet.ibm.com> | 2016-08-11 15:33:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-11 16:58:14 -0700 |
| commit | 5830169f47269f78f6624bd70165eb571270da82 (patch) | |
| tree | 7ce729a93c03f22d5b2c45bbf13ad4acb8aa1729 /sound | |
| parent | f33e6f0671b3ba81acef4d7c078af86afcc855c4 (diff) | |
| download | linux-5830169f47269f78f6624bd70165eb571270da82.tar.bz2 | |
mm/memory_hotplug.c: initialize per_cpu_nodestats for hotadded pgdats
The following oops occurs after a pgdat is hotadded:
Unable to handle kernel paging request for data at address 0x00c30001
Faulting instruction address: 0xc00000000022f8f4
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=2048 NUMA pSeries
Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter nls_utf8 isofs sg virtio_balloon uio_pdrv_genirq uio ip_tables xfs libcrc32c sr_mod cdrom sd_mod virtio_net ibmvscsi scsi_transport_srp virtio_pci virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.8.0-rc1-device #110
task: c000000000ef3080 task.stack: c000000000f6c000
NIP: c00000000022f8f4 LR: c00000000022f948 CTR: 0000000000000000
REGS: c000000000f6fa50 TRAP: 0300 Tainted: G W (4.8.0-rc1-device)
MSR: 800000010280b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE,TM[E]> CR: 84002028 XER: 20000000
CFAR: d000000001d2013c DAR: 0000000000c30001 DSISR: 40000000 SOFTE: 0
NIP refresh_cpu_vm_stats+0x1a4/0x2f0
LR refresh_cpu_vm_stats+0x1f8/0x2f0
Call Trace:
refresh_cpu_vm_stats+0x1f8/0x2f0 (unreliable)
Add per_cpu_nodestats initialization to the hotplug codepath.
Link: http://lkml.kernel.org/r/1470931473-7090-1-git-send-email-arbab@linux.vnet.ibm.com
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'sound')
0 files changed, 0 insertions, 0 deletions