linux_dsm_epyc7002/include
yalin wang 16fd0fe4aa mm: fix kernel crash in khugepaged thread
This crash is caused by NULL pointer deference, in page_to_pfn() marco,
when page == NULL :

  Unable to handle kernel NULL pointer dereference at virtual address 00000000
  Internal error: Oops: 94000006 [#1] SMP
  Modules linked in:
  CPU: 1 PID: 26 Comm: khugepaged Tainted: G        W       4.3.0-rc6-next-20151022ajb-00001-g32f3386-dirty #3
  PC is at khugepaged+0x378/0x1af8
  LR is at khugepaged+0x418/0x1af8
  Process khugepaged (pid: 26, stack limit = 0xffffffc079638020)
  Call trace:
    khugepaged+0x378/0x1af8
    kthread+0xdc/0xf4
    ret_from_fork+0xc/0x40
  Code: 35001700 f0002c60 aa0703e3 f9009fa0 (f94000e0)
  ---[ end trace 637503d8e28ae69e  ]---
  Kernel panic - not syncing: Fatal exception
  CPU2: stopping
  CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D W       4.3.0-rc6-next-20151022ajb-00001-g32f3386-dirty #3
  Hardware name: linux,dummy-virt (DT)

[akpm@linux-foundation.org: fix fat-fingered merge resolution]
Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-21 17:20:51 -08:00
..
acpi Merge branches 'acpica', 'acpi-video' and 'acpi-fan' 2016-01-21 00:41:59 +01:00
asm-generic Merge branch 'akpm' (patches from Andrew) 2016-01-21 12:32:08 -08:00
clocksource
crypto Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-01-17 19:13:15 -08:00
drm Merge tag 'topic/drm-misc-2016-01-17' of git://anongit.freedesktop.org/drm-intel into drm-next 2016-01-18 07:01:16 +10:00
dt-bindings ARM: SoC driver updates for v4.5 2016-01-20 18:42:30 -08:00
keys Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity into next 2015-12-26 16:06:53 +11:00
kvm
linux thp: change pmd_trans_huge_lock() interface to return ptl 2016-01-21 17:20:51 -08:00
math-emu
media [media] media-entitiy: add a function to create multiple links 2016-01-11 12:19:26 -02:00
memory
misc
net net: drop tcp_memcontrol.c 2016-01-20 17:09:18 -08:00
pcmcia
ras
rdma
rxrpc
scsi Merge branch 'jejb-scsi' into misc 2016-01-07 15:51:13 -08:00
soc ARM: SoC driver updates for v4.5 2016-01-20 18:42:30 -08:00
sound ALSA: hda_intel: add card number to irq description 2016-01-12 21:05:16 +01:00
target Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2016-01-20 17:20:53 -08:00
trace mm: fix kernel crash in khugepaged thread 2016-01-21 17:20:51 -08:00
uapi Merge branch 'akpm' (patches from Andrew) 2016-01-21 12:32:08 -08:00
video omapdss: remove CONFIG_OMAP2_DSS_VENC from omapdss.h 2015-12-29 11:07:46 +02:00
xen virtio: barrier rework+fixes 2016-01-18 16:44:24 -08:00
Kbuild