David Rientjes 08ab9b10d4 mm, oom: force oom kill on sysrq+f ... The oom killer chooses not to kill a thread if: - an eligible thread has already been oom killed and has yet to exit, and - an eligible thread is exiting but has yet to free all its memory and is not the thread attempting to currently allocate memory. SysRq+F manually invokes the global oom killer to kill a memory-hogging task. This is normally done as a last resort to free memory when no progress is being made or to test the oom killer itself. For both uses, we always want to kill a thread and never defer. This patch causes SysRq+F to always kill an eligible thread and can be used to force a kill even if another oom killed thread has failed to exit. Signed-off-by: David Rientjes <rientjes@google.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Pekka Enberg <penberg@kernel.org> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2012-03-21 17:54:58 -07:00
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accessibility	…
acpi	…
amba	…
ata	ata: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:16 +08:00
atm	…
auxdisplay	…
base	Core device tree changes for Linux v3.4	2012-03-21 10:30:03 -07:00
bcma	…
block	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
bluetooth	…
cdrom	…
char	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-03-20 21:12:50 -07:00
clk	…
clocksource	Power management updates for 3.4	2012-03-21 10:15:51 -07:00
connector	…
cpufreq	…
cpuidle	…
crypto	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
dca	…
devfreq	…
dio	…
dma	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-03-20 21:12:50 -07:00
edac	edac: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:17 +08:00
eisa	…
firewire	…
firmware	…
gpio	…
gpu	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2012-03-20 21:11:42 -07:00
hv	…
hwmon	hwmon changes for v3.4	2012-03-21 10:37:25 -07:00
hwspinlock	…
i2c	…
ide	ide: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:17 +08:00
idle	drivers/idle/intel_idle.c: fix confusing code identation	2012-03-21 17:54:54 -07:00
ieee802154	…
infiniband	InfiniBand/RDMA changes for the 3.4 merge window. Nothing big really	2012-03-21 10:33:42 -07:00
input	driver core merge for 3.4-rc1	2012-03-20 11:16:20 -07:00
iommu	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-03-20 21:12:50 -07:00
isdn	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-03-20 21:04:47 -07:00
leds	…
lguest	…
macintosh	Core device tree changes for Linux v3.4	2012-03-21 10:30:03 -07:00
mca	…
md	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
media	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
memstick	memstick: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:19 +08:00
message	…
mfd	regulator: Updates for 3.4	2012-03-21 10:34:56 -07:00
misc	tty and serial merge for 3.4-rc1	2012-03-20 11:24:39 -07:00
mmc	Power management updates for 3.4	2012-03-21 10:15:51 -07:00
mtd	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-03-20 21:12:50 -07:00
net	InfiniBand/RDMA changes for the 3.4 merge window. Nothing big really	2012-03-21 10:33:42 -07:00
nfc	…
nubus	…
of	Core device tree changes for Linux v3.4	2012-03-21 10:30:03 -07:00
oprofile	…
parisc	…
parport	…
pci	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-03-20 21:04:47 -07:00
pcmcia	…
pinctrl	…
platform	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-03-20 21:12:50 -07:00
pnp	…
power	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-03-20 21:12:50 -07:00
pps	…
ps3	…
ptp	…
rapidio	…
regulator	regulator: Updates for 3.4	2012-03-21 10:34:56 -07:00
rtc	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2012-03-20 10:32:09 -07:00
s390	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-03-20 21:04:47 -07:00
sbus	…
scsi	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
sfi	…
sh	…
sn	…
spi	SPI changes for v3.4.	2012-03-21 10:32:00 -07:00
ssb	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2012-03-20 21:04:47 -07:00
staging	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
target	Merge branch 'kmap_atomic' of git://github.com/congwang/linux	2012-03-21 09:40:26 -07:00
tc	…
thermal	…
tty	mm, oom: force oom kill on sysrq+f	2012-03-21 17:54:58 -07:00
uio	…
usb	USB merge for 3.4-rc1	2012-03-20 11:26:30 -07:00
uwb	…
vhost	vhost: remove the second argument of k[un]map_atomic()	2012-03-20 21:48:21 +08:00
video	…
virt	…
virtio	…
vlynq	…
w1	…
watchdog	…
xen	…
zorro	…
Kconfig	…
Makefile	…