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Pavel Emelyanov bac0abd617 Isolate some explicit usage of task->tgid 
With pid namespaces this field is now dangerous to use explicitly, so hide
it behind the helpers.

Also the pid and pgrp fields o task_struct and signal_struct are to be
deprecated.  Unfortunately this patch cannot be sent right now as this
leads to tons of warnings, so start isolating them, and deprecate later.

Actually the p->tgid == pid has to be changed to has_group_leader_pid(),
but Oleg pointed out that in case of posix cpu timers this is the same, and
thread_group_leader() is more preferable.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-19 11:53:40 -07:00
..
allocpercpu.c Slab allocators: Replace explicit zeroing with __GFP_ZERO 2007-07-17 10:23:02 -07:00
backing-dev.c mm: per device dirty threshold 2007-10-17 08:42:45 -07:00
bootmem.c
bounce.c block: Initial support for data-less (or empty) barrier support 2007-10-16 11:03:56 +02:00
fadvise.c
filemap.c kernel-api docbook: fix content problems 2007-10-19 11:53:35 -07:00
filemap_xip.c mm: write iovec cleanup 2007-10-16 09:42:54 -07:00
fremap.c remap_file_pages: kernel-doc corrections 2007-10-17 08:43:07 -07:00
highmem.c Create the ZONE_MOVABLE zone 2007-07-17 10:22:59 -07:00
hugetlb.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
internal.h Breakout page_order() to internal.h to avoid special knowledge of the buddy allocator 2007-10-16 09:43:01 -07:00
Kconfig Merge branch 'xen-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen 2007-10-17 11:10:11 -07:00
madvise.c
Makefile memory unplug: page isolation 2007-10-16 09:43:02 -07:00
memory.c remove unused flush_tlb_pgtables 2007-10-19 11:53:34 -07:00
memory_hotplug.c fix memory hot remove not configured case. 2007-10-16 09:43:02 -07:00
mempolicy.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
mempool.c Slab allocators: Replace explicit zeroing with __GFP_ZERO 2007-07-17 10:23:02 -07:00
migrate.c Uninline find_task_by_xxx set of functions 2007-10-19 11:53:40 -07:00
mincore.c
mlock.c
mmap.c setup vma->vm_page_prot by vm_get_page_prot() 2007-10-19 11:53:34 -07:00
mmzone.c
mprotect.c setup vma->vm_page_prot by vm_get_page_prot() 2007-10-19 11:53:34 -07:00
mremap.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
msync.c
nommu.c security/ cleanups 2007-10-17 08:43:07 -07:00
oom_kill.c Isolate some explicit usage of task->tgid 2007-10-19 11:53:40 -07:00
page-writeback.c writeback: remove unnecessary wait in throttle_vm_writeout() 2007-10-17 08:43:02 -07:00
page_alloc.c oom: serialize out of memory calls 2007-10-17 08:42:45 -07:00
page_io.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
page_isolation.c memory unplug: page isolation 2007-10-16 09:43:02 -07:00
pdflush.c Freezer: make kernel threads nonfreezable by default 2007-07-17 10:23:02 -07:00
prio_tree.c
quicklist.c
readahead.c mm: bdi init hooks 2007-10-17 08:42:45 -07:00
rmap.c mm: document tree_lock->zone.lock lockorder 2007-10-17 08:42:46 -07:00
shmem.c r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
shmem_acl.c
slab.c cpu hotplug: slab: fix memory leak in cpu hotplug error path 2007-10-18 14:37:21 -07:00
slob.c Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
slub.c Slab API: remove useless ctor parameter and reorder parameters 2007-10-17 08:42:45 -07:00
sparse-vmemmap.c memory hotplug: Hot-add with sparsemem-vmemmap 2007-10-16 09:43:02 -07:00
sparse.c memory hotplug: Hot-add with sparsemem-vmemmap 2007-10-16 09:43:02 -07:00
swap.c mm: bdi init hooks 2007-10-17 08:42:45 -07:00
swap_state.c mm: clarify __add_to_swap_cache locking 2007-10-16 09:42:53 -07:00
swapfile.c Replace CONFIG_SOFTWARE_SUSPEND with CONFIG_HIBERNATION 2007-07-29 16:45:38 -07:00
thrash.c
tiny-shmem.c r/o bind mounts: filesystem helpers for custom 'struct file's 2007-10-17 08:43:04 -07:00
truncate.c Drop some headers from mm.h 2007-10-17 08:42:55 -07:00
util.c Slab allocators: fail if ksize is called with a NULL parameter 2007-10-16 09:42:53 -07:00
vmalloc.c Categorize GFP flags 2007-10-16 09:42:59 -07:00
vmscan.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
vmstat.c oom: change all_unreclaimable zone member to flags 2007-10-17 08:42:45 -07:00