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
kvm
linux	thp: change pmd_trans_huge_lock() interface to return ptl	2016-01-21 17:20:51 -08:00
math-emu
media
memory
misc
net	net: drop tcp_memcontrol.c	2016-01-20 17:09:18 -08:00
pcmcia
ras
rdma
rxrpc
scsi
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
xen	virtio: barrier rework+fixes	2016-01-18 16:44:24 -08:00
Kbuild