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Oleg Nesterov b564daf806 coredump: construct the list of coredumping threads at startup time 
binfmt->core_dump() has to iterate over the all threads in system in order
to find the coredumping threads and construct the list using the
GFP_ATOMIC allocations.

With this patch each thread allocates the list node on exit_mm()'s stack and
adds itself to the list.

This allows us to do further changes:

	- simplify ->core_dump()

	- change exit_mm() to clear ->mm first, then wait for ->core_done.
	  this makes the coredumping process visible to oom_kill

	- kill mm->core_done

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-07-25 10:53:40 -07:00
..
acpi Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
asm-alpha clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-arm include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-avr32 clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-blackfin include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-cris include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-frv include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-generic gpiolib: allow user-selection 2008-07-25 10:53:30 -07:00
asm-h8300 clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-ia64 clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-m32r clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-m68k clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-m68knommu include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-mips gpiolib: allow user-selection 2008-07-25 10:53:30 -07:00
asm-mn10300 include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-parisc include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-powerpc include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-s390 clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-sh include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-sparc clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-sparc64 Remove asm/semaphore.h 2008-07-24 08:31:12 -04:00
asm-um clean up duplicated alloc/free_thread_info 2008-07-25 10:53:28 -07:00
asm-v850 remove the v850 port 2008-07-24 10:47:24 -07:00
asm-x86 include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
asm-xtensa include/asm/ptrace.h userspace headers cleanup 2008-07-25 10:53:39 -07:00
crypto crypto: hash - Move ahash functions into crypto/hash.h 2008-07-10 20:35:18 +08:00
drm drm/radeon: fixup issue with radeon and PAT support. 2008-07-15 15:48:05 +10:00
keys
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linux coredump: construct the list of coredumping threads at startup time 2008-07-25 10:53:40 -07:00
math-emu
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media V4L/DVB (8395): saa7134: Fix Kbuild dependency of ir-kbd-i2c 2008-07-20 07:29:03 -03:00
mtd
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net include: use get/put_unaligned_* helpers 2008-07-25 10:53:26 -07:00
pcmcia
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rdma RDMA/cma: Add RDMA_CM_EVENT_TIMEWAIT_EXIT event 2008-07-22 14:14:23 -07:00
rxrpc
…
scsi driver core: remove KOBJ_NAME_LEN define 2008-07-21 21:54:52 -07:00
sound ALSA: Release v1.0.17 2008-07-14 09:54:43 +02:00
video neofb: drop the xtimings structure 2008-07-24 10:47:41 -07:00
xen xen: implement Xen-specific spinlocks 2008-07-16 11:15:53 +02:00
Kbuild drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00