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Tejun Heo 7d699ddb2b cgroup, memcg: allocate cgroup ID from 1 
Currently, cgroup->id is allocated from 0, which is always assigned to
the root cgroup; unfortunately, memcg wants to use ID 0 to indicate
invalid IDs and ends up incrementing all IDs by one.

It's reasonable to reserve 0 for special purposes.  This patch updates
cgroup core so that ID 0 is not used and the root cgroups get ID 1.
The ID incrementing is removed form memcg.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Li Zefan <lizefan@huawei.com>
2014-05-04 15:09:13 -04:00
..
backing-dev.c
bdi: avoid oops on device removal
2014-04-03 16:20:49 -07:00
balloon_compaction.c
mm: print more details for bad_page()
2014-01-23 16:36:50 -08:00
bootmem.c
mm/bootmem.c: remove unused local `map'
2013-11-13 12:09:09 +09:00
bounce.c
block: Convert bio_for_each_segment() to bvec_iter
2013-11-23 22:33:49 -08:00
cleancache.c
mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE
2014-01-23 16:36:50 -08:00
compaction.c
mm, compaction: determine isolation mode only once
2014-04-07 16:35:55 -07:00
debug-pagealloc.c
…
dmapool.c
dmapool: make DMAPOOL_DEBUG detect corruption of free marker
2012-12-11 17:22:24 -08:00
early_ioremap.c
mm: create generic early_ioremap() support
2014-04-07 16:36:15 -07:00
fadvise.c
teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long
2013-03-03 22:46:22 -05:00
failslab.c
…
filemap_xip.c
seqcount: Add lockdep functionality to seqcount/seqlock structures
2013-11-06 12:40:26 +01:00
filemap.c
mm: fix new kernel-doc warning in filemap.c
2014-04-18 16:40:09 -07:00
fremap.c
mm: fix bad rss-counter if remap_file_pages raced migration
2014-03-19 16:21:49 -07:00
frontswap.c
frontswap: fix incorrect zeroing and allocation size for frontswap_map
2013-06-12 16:29:46 -07:00
highmem.c
Some nice cleanups, and even a patch my wife did as a "live" demo for
2012-12-20 08:37:05 -08:00
huge_memory.c
thp: close race between split and zap huge pages
2014-04-18 16:40:09 -07:00
hugetlb_cgroup.c
cgroup: drop const from @buffer of cftype->write_string()
2014-03-19 10:23:54 -04:00
hugetlb.c
mm/hugetlb.c: add cond_resched_lock() in return_unused_surplus_pages()
2014-04-18 16:40:08 -07:00
hwpoison-inject.c
mm/hwpoison: add '#' to hwpoison_inject
2014-01-21 16:19:48 -08:00
init-mm.c
…
internal.h
mm/readahead.c: inline ra_submit
2014-04-07 16:35:58 -07:00
interval_tree.c
mm: add CONFIG_DEBUG_VM_RB build option
2012-10-09 16:22:42 +09:00
iov_iter.c
take iov_iter stuff to mm/iov_iter.c
2014-04-01 23:19:30 -04:00
Kconfig
mm: create generic early_ioremap() support
2014-04-07 16:36:15 -07:00
Kconfig.debug
…
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c
kmemleak: change some global variables to int
2014-04-03 16:20:50 -07:00
ksm.c
mm: close PageTail race
2014-03-04 07:55:47 -08:00
list_lru.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
maccess.c
…
madvise.c
mm/hwpoison: fix traversal of hugetlbfs pages to avoid printk flood
2013-09-30 14:31:02 -07:00
Makefile
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
memblock.c
mm/memblock.c: use PFN_PHYS()
2014-04-07 16:35:58 -07:00
memcontrol.c
cgroup, memcg: allocate cgroup ID from 1
2014-05-04 15:09:13 -04:00
memory_hotplug.c
mm/memory_hotplug.c: move register_memory_resource out of the lock_memory_hotplug
2014-01-23 16:36:52 -08:00
memory-failure.c
Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2014-04-03 13:05:42 -07:00
memory.c
mm: remove unused arg of set_page_dirty_balance()
2014-04-07 16:35:57 -07:00
mempolicy.c
mm, mempolicy: remove per-process flag
2014-04-07 16:35:54 -07:00
mempool.c
mempool: add unlikely and likely hints
2014-04-07 16:35:55 -07:00
migrate.c
mm: fix swapops.h:131 bug if remap_file_pages raced migration
2014-03-20 22:09:09 -07:00
mincore.c
mm + fs: prepare for non-page entries in page cache radix trees
2014-04-03 16:21:00 -07:00
mlock.c
mm: try_to_unmap_cluster() should lock_page() before mlocking
2014-04-07 16:35:57 -07:00
mm_init.c
mm: bring back /sys/kernel/mm
2014-01-27 21:02:39 -08:00
mmap.c
mm: per-thread vma caching
2014-04-07 16:35:53 -07:00
mmu_context.c
sched/mm: call finish_arch_post_lock_switch in idle_task_exit and use_mm
2014-02-21 08:50:17 +01:00
mmu_notifier.c
mm: audit/fix non-modular users of module_init in core code
2014-01-23 16:36:52 -08:00
mmzone.c
mm: numa: Change page last {nid,pid} into {cpu,pid}
2013-10-09 14:47:45 +02:00
mprotect.c
mm: move mmu notifier call from change_protection to change_pmd_range
2014-04-07 16:35:50 -07:00
mremap.c
mm: revert mremap pud_free anti-fix
2013-10-16 21:35:53 -07:00
msync.c
…
nobootmem.c
mm/nobootmem.c: mark function as static
2014-04-03 16:21:02 -07:00
nommu.c
mm: fix 'ERROR: do not initialise globals to 0 or NULL' and coding style
2014-04-07 16:35:55 -07:00
oom_kill.c
mm, oom: base root bonus on current usage
2014-01-30 16:56:56 -08:00
page_alloc.c
mm/page_alloc.c: change mm debug routines back to EXPORT_SYMBOL
2014-04-07 16:35:59 -07:00
page_cgroup.c
mm/page_cgroup.c: mark functions as static
2014-04-03 16:21:02 -07:00
page_io.c
Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block
2014-01-30 11:19:05 -08:00
page_isolation.c
mm: memory-hotplug: enable memory hotplug to handle hugepage
2013-09-11 15:57:48 -07:00
page-writeback.c
mm: remove unused arg of set_page_dirty_balance()
2014-04-07 16:35:57 -07:00
pagewalk.c
mm/pagewalk.c: fix walk_page_range() access of wrong PTEs
2013-10-30 14:27:03 -07:00
percpu-km.c
…
percpu-vm.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu.c
percpu: renew the max_contig if we merge the head and previous block
2014-03-29 09:29:42 -04:00
pgtable-generic.c
mm: fix TLB flush race between migration, and change_protection_range
2013-12-18 19:04:51 -08:00
process_vm_access.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-04-12 14:49:50 -07:00
quicklist.c
…
readahead.c
mm/readahead.c: inline ra_submit
2014-04-07 16:35:58 -07:00
rmap.c
mm: try_to_unmap_cluster() should lock_page() before mlocking
2014-04-07 16:35:57 -07:00
shmem.c
mm: Initialize error in shmem_file_aio_read()
2014-04-13 14:10:26 -07:00
slab_common.c
memcg, slab: do not destroy children caches if parent has aliases
2014-04-07 16:36:13 -07:00
slab.c
Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2014-04-13 13:28:13 -07:00
slab.h
memcg, slab: never try to merge memcg caches
2014-04-07 16:36:12 -07:00
slob.c
mm: slab/slub: use page->list consistently instead of page->lru
2014-04-11 10:06:06 +03:00
slub.c
Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2014-04-13 13:28:13 -07:00
sparse-vmemmap.c
mm/sparse: use memblock apis for early memory allocations
2014-01-21 16:19:47 -08:00
sparse.c
mm: use macros from compiler.h instead of __attribute__((...))
2014-04-07 16:35:54 -07:00
swap_state.c
swap: add a simple detector for inappropriate swapin readahead
2014-02-06 13:48:51 -08:00
swap.c
mm: thrash detection-based file cache sizing
2014-04-03 16:21:01 -07:00
swapfile.c
mm/swap: fix race on swap_info reuse between swapoff and swapon
2014-02-06 13:48:51 -08:00
truncate.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
util.c
Merge git://git.infradead.org/users/eparis/audit
2014-04-12 12:38:53 -07:00
vmacache.c
mm: per-thread vma caching
2014-04-07 16:35:53 -07:00
vmalloc.c
mm/vmalloc.c: enhance vm_map_ram() comment
2014-04-07 16:35:55 -07:00
vmpressure.c
arm, pm, vmpressure: add missing slab.h includes
2014-02-03 13:24:01 -05:00
vmscan.c
vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()
2014-04-18 16:40:07 -07:00
vmstat.c
CPU hotplug notifiers registration fixes for 3.15-rc1
2014-04-07 14:55:46 -07:00
workingset.c
mm: keep page cache radix tree nodes in check
2014-04-03 16:21:01 -07:00
zbud.c
mm/zbud: fix some trivial typos in comments
2013-09-11 15:57:35 -07:00
zsmalloc.c
zsmalloc: Fix CPU hotplug callback registration
2014-03-20 13:43:45 +01:00
zswap.c
Merge branch 'akpm' (incoming from Andrew)
2014-04-07 16:38:06 -07:00