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Serge E. Hallyn b460cbc581 pid namespaces: define is_global_init() and is_container_init() ... is_init() is an ambiguous name for the pid==1 check. Split it into is_global_init() and is_container_init(). A cgroup init has it's tsk->pid == 1. A global init also has it's tsk->pid == 1 and it's active pid namespace is the init_pid_ns. But rather than check the active pid namespace, compare the task structure with 'init_pid_ns.child_reaper', which is initialized during boot to the /sbin/init process and never changes. Changelog: 2.6.22-rc4-mm2-pidns1: - Use 'init_pid_ns.child_reaper' to determine if a given task is the global init (/sbin/init) process. This would improve performance and remove dependence on the task_pid(). 2.6.21-mm2-pidns2: - [Sukadev Bhattiprolu] Changed is_container_init() calls in {powerpc, ppc,avr32}/traps.c for the _exception() call to is_global_init(). This way, we kill only the cgroup if the cgroup's init has a bug rather than force a kernel panic. [akpm@linux-foundation.org: fix comment] [sukadev@us.ibm.com: Use is_global_init() in arch/m32r/mm/fault.c] [bunk@stusta.de: kernel/pid.c: remove unused exports] [sukadev@us.ibm.com: Fix capability.c to work with threaded init] Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Acked-by: Pavel Emelianov <xemul@openvz.org> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: Herbert Poetzel <herbert@13thfloor.at> Cc: Kirill Korotaev <dev@sw.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		17 years ago
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Kconfig	sh: Support extended mode TLB on SH-X3.	18 years ago
Makefile	sh: nommu: Kill off dummy page fault ops for SH-3/4.	18 years ago
cache-debugfs.c	sh: Revert incorrect license string changes.	18 years ago
cache-sh2.c	…
cache-sh3.c	…
cache-sh4.c	sh: Calculate cache aliases on L2 caches.	18 years ago
cache-sh7705.c	…
clear_page.S	…
consistent.c	Remove dma_cache_(wback|inv|wback_inv) functions	17 years ago
copy_page.S	sh: __copy_user() optimizations for small copies.	18 years ago
extable.c	…
fault.c	pid namespaces: define is_global_init() and is_container_init()	17 years ago
hugetlbpage.c	…
init.c	fix memory hot remove not configured case.	17 years ago
ioremap.c	…
numa.c	…
pg-nommu.c	…
pg-sh4.c	sh: Fix fs.h removal from mm.h regressions.	18 years ago
pg-sh7705.c	…
pmb.c	Slab API: remove useless ctor parameter and reorder parameters	17 years ago
tlb-flush.c	…
tlb-nommu.c	…
tlb-sh3.c	…
tlb-sh4.c	sh: Fix up extended mode TLB for SH-X2+ cores.	18 years ago