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Matt Helsley 83224b0837 container freezer: add TIF_FREEZE flag to all architectures ... This patch series introduces a cgroup subsystem that utilizes the swsusp freezer to freeze a group of tasks. It's immediately useful for batch job management scripts. It should also be useful in the future for implementing container checkpoint/restart. The freezer subsystem in the container filesystem defines a cgroup file named freezer.state. Reading freezer.state will return the current state of the cgroup. Writing "FROZEN" to the state file will freeze all tasks in the cgroup. Subsequently writing "RUNNING" will unfreeze the tasks in the cgroup. * Examples of usage : # mkdir /containers/freezer # mount -t cgroup -ofreezer freezer /containers # mkdir /containers/0 # echo $some_pid > /containers/0/tasks to get status of the freezer subsystem : # cat /containers/0/freezer.state RUNNING to freeze all tasks in the container : # echo FROZEN > /containers/0/freezer.state # cat /containers/0/freezer.state FREEZING # cat /containers/0/freezer.state FROZEN to unfreeze all tasks in the container : # echo RUNNING > /containers/0/freezer.state # cat /containers/0/freezer.state RUNNING This patch: The first step in making the refrigerator() available to all architectures, even for those without power management. The purpose of such a change is to be able to use the refrigerator() in a new control group subsystem which will implement a control group freezer. [akpm@linux-foundation.org: fix sparc] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Matt Helsley <matthltc@us.ibm.com> Acked-by: Pavel Machek <pavel@suse.cz> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Nigel Cunningham <nigel@tuxonice.net> Tested-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		16 years ago
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arch-v10	include/asm/ptrace.h userspace headers cleanup	17 years ago
arch-v32	include/asm/ptrace.h userspace headers cleanup	17 years ago
Kbuild	Reduce brokenness of CRIS headers_install	17 years ago
atomic.h	CRIS: Fix bugs in return value of atomic_inc_return and atomic_dec_return.	17 years ago
auxvec.h	…
axisflashmap.h	CRIS: Merge axisflashmap.h with Axis internal changes.	17 years ago
bitops.h	cris: remove unused __dummy, CONST_ADDR and ADDR from bitops.h	17 years ago
bug.h	CRIS: Include arch dependent bug.h.	17 years ago
bugs.h	…
byteorder.h	Clean up exported headers on CRIS	19 years ago
cache.h	…
cacheflush.h	cris: remove unused global_flush_tlb	17 years ago
checksum.h	cris build fixes: fix csum_tcpudp_magic() declaration	17 years ago
cputime.h	…
current.h	…
delay.h	CRIS: Allow arch dependent delay to override common version.	17 years ago
device.h	Driver core: add dev_archdata to struct device	18 years ago
div64.h	…
dma-mapping.h	Merge branch 'linus' into core/generic-dma-coherent	17 years ago
dma.h	…
elf.h	[PATCH] remove unused ibcs2/PER_SVR4 in SET_PERSONALITY	17 years ago
emergency-restart.h	…
errno.h	…
eshlibld.h	Don't include linux/config.h from anywhere else in include/	19 years ago
ethernet.h	cris build fixes: update eth_v10.c ethernet driver	17 years ago
etraxgpio.h	CRIS: Make io_pwm_set_period members unsigned in etraxgpio.h	17 years ago
etraxi2c.h	…
fasttimer.h	CRISv10 improve and bugfix fasttimer	17 years ago
fb.h	fbdev: detect primary display device	18 years ago
fcntl.h	…
futex.h	…
hardirq.h	cris build fixes: hardirq.h: include asm/irq.h	17 years ago
hw_irq.h	[PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()	19 years ago
io.h	CRIS: Correct comment in io.h to describe reality of I/O space.	17 years ago
ioctl.h	…
ioctls.h	etrax: enable arbitary speed setting on tty ports	18 years ago
ipcbuf.h	…
irq.h	[PATCH] genirq: cleanup: turn ARCH_HAS_IRQ_PER_CPU into CONFIG_IRQ_PER_CPU	19 years ago
irq_regs.h	softlockup: make asm/irq_regs.h available on every platform	18 years ago
kdebug.h	move die notifier handling to common code	18 years ago
kmap_types.h	…
linkage.h	…
local.h	…
mman.h	…
mmu.h	…
mmu_context.h	[PATCH] x86: PARAVIRT: add hooks to intercept mm creation and destruction	18 years ago
module.h	…
msgbuf.h	…
mutex.h	…
page.h	PAGE_ALIGN(): correctly handle 64-bit values on 32-bit architectures	17 years ago
param.h	avoid overflows in kernel/time.c	17 years ago
pci.h	PCI: remove pci_dac_dma_... APIs	18 years ago
percpu.h	…
pgalloc.h	CONFIG_HIGHPTE vs. sub-page page tables.	17 years ago
pgtable.h	cris: add constfy to pgd_offset()	17 years ago
poll.h	Consolidate asm/poll.h	18 years ago
posix_types.h	asm-*/posix_types.h: scrub __GLIBC__	17 years ago
processor.h	aout: move STACK_TOP[_MAX] to asm/processor.h	17 years ago
ptrace.h	include/asm/ptrace.h userspace headers cleanup	17 years ago
resource.h	…
rs485.h	…
rtc.h	CRIS v10: Cleanup rtc.h	17 years ago
scatterlist.h	Add CONFIG_DEBUG_SG sg validation	18 years ago
sections.h	…
segment.h	…
sembuf.h	…
setup.h	…
shmbuf.h	…
shmparam.h	…
sigcontext.h	…
siginfo.h	…
signal.h	[PATCH] irq-flags: CRIS: Use the new IRQF_ constants	19 years ago
smp.h	CRIS: Update cpu_possible_map and raw_smp_processor_id in smp.h header.	17 years ago
socket.h	[NET]: Introducing socket mark socket option.	17 years ago
sockios.h	[NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution	18 years ago
spinlock.h	…
stat.h	…
statfs.h	…
string.h	…
sync_serial.h	CRIS v32: Add SECOND_WORD_SYNC, used in sync_serial.	17 years ago
system.h	Add cmpxchg_local to cris	17 years ago
termbits.h	cris build fixes: add baud rate defines	17 years ago
termios.h	etrax: enable arbitary speed setting on tty ports	18 years ago
thread_info.h	container freezer: add TIF_FREEZE flag to all architectures	16 years ago
timex.h	…
tlb.h	CRIS tlb.h should include linux/pagemap.h	17 years ago
tlbflush.h	remove unused flush_tlb_pgtables	18 years ago
topology.h	…
types.h	cris: types: use <asm-generic/int-*.h> for the cris architecture	17 years ago
uaccess.h	cris: correct usage of __user for copy to and from user space in lib/usercopy and uaccess.h	17 years ago
ucontext.h	…
unaligned.h	kernel: Move arches to use common unaligned access	17 years ago
unistd.h	cris: correct syscall numbers in unistd.h for timerfd_settime and timerfd_gettime	17 years ago
user.h	Sanitize the type of struct user.u_ar0	17 years ago