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Will Schmidt dcca2bde4f During VM oom condition, kill all threads in process group 
We have had complaints where a threaded application is left in a bad state
after one of it's threads is killed when we hit a VM: out_of_memory
condition.

Killing just one of the process threads can leave the application in a bad
state, whereas killing the entire process group would allow for the
application to restart, or be otherwise handled, and makes it very obvious
that something has gone wrong.

This change allows the entire process group to be taken down, rather
than just the one thread.

Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ian Molton <spyro@f2s.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Andi Kleen <ak@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Matthew Wilcox <willy@debian.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Cc: Richard Curnow <rc@rc0.org.uk>
Cc: William Lee Irwin III <wli@holomorphy.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-10-16 09:42:52 -07:00
..
alpha During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
arm During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
avr32 During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
blackfin Consolidate PTRACE_DETACH 2007-10-16 09:42:49 -07:00
cris During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
frv During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
h8300 H8/300: Fix misnamed "CONFIG_BLKDEV_RESERVE_ADDRESS" Kconfig variable 2007-09-11 17:21:20 -07:00
i386 sched: x86: allow single-depth wchan output 2007-10-15 17:00:07 +02:00
ia64 During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
m32r During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
m68k During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
m68knommu m68k(nommu): add missing syscalls 2007-09-11 17:21:20 -07:00
mips During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
parisc During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
powerpc ppc64: SPARSEMEM_VMEMMAP support 2007-10-16 09:42:51 -07:00
ppc During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
s390 During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
sh During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
sh64 During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
sparc During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
sparc64 During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
um Consolidate PTRACE_DETACH 2007-10-16 09:42:49 -07:00
v850 PTRACE_POKEDATA consolidation 2007-07-17 10:23:03 -07:00
x86 During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00
x86_64 x86_64: SPARSEMEM_VMEMMAP 2M page size support 2007-10-16 09:42:51 -07:00
xtensa During VM oom condition, kill all threads in process group 2007-10-16 09:42:52 -07:00