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0e9d92f2d0
linux/mm
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Glauber Costa 0e9d92f2d0 memcg: skip memcg kmem allocations in specified code regions 
Create a mechanism that skip memcg allocations during certain pieces of
our core code.  It basically works in the same way as
preempt_disable()/preempt_enable(): By marking a region under which all
allocations will be accounted to the root memcg.

We need this to prevent races in early cache creation, when we
allocate data using caches that are not necessarily created already.

Signed-off-by: Glauber Costa <glommer@parallels.com>
yCc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Frederic Weisbecker <fweisbec@redhat.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: JoonSoo Kim <js1304@gmail.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Rik van Riel <riel@redhat.com>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-12-18 15:02:14 -08:00
..
backing-dev.c Revert "bdi: add a user-tunable cpu_list for the bdi flusher threads" 2012-12-17 11:29:09 -08:00
balloon_compaction.c mm: introduce a common interface for balloon pages mobility 2012-12-11 17:22:26 -08:00
bootmem.c mm/bootmem.c: remove unused wrapper function reserve_bootmem_generic() 2012-12-12 17:38:35 -08:00
bounce.c
cleancache.c
compaction.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
debug-pagealloc.c
dmapool.c dmapool: make DMAPOOL_DEBUG detect corruption of free marker 2012-12-11 17:22:24 -08:00
fadvise.c
failslab.c
filemap_xip.c mm: move all mmu notifier invocations to be done outside the PT lock 2012-10-09 16:22:58 +09:00
filemap.c readahead: fault retry breaks mmap file read random detection 2012-10-09 16:22:47 +09:00
fremap.c remap_file_pages: correctly handle the case of a NULL vm_ops pointer 2012-10-19 13:37:57 -07:00
frontswap.c
highmem.c mm, highmem: get virtual address of the page using PKMAP_ADDR() 2012-12-11 17:22:24 -08:00
huge_memory.c mm: fix kernel BUG at huge_memory.c:1474! 2012-12-16 19:02:38 -08:00
hugetlb_cgroup.c cgroup: rename ->create/post_create/pre_destroy/destroy() to ->css_alloc/online/offline/free() 2012-11-19 08:13:38 -08:00
hugetlb.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
hwpoison-inject.c
init-mm.c
internal.h Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
interval_tree.c mm: add CONFIG_DEBUG_VM_RB build option 2012-10-09 16:22:42 +09:00
Kconfig memory-hotplug: document and enable CONFIG_MOVABLE_NODE 2012-12-18 15:02:12 -08:00
Kconfig.debug
kmemcheck.c
kmemleak-test.c
kmemleak.c kmemleak: use rbtree instead of prio tree 2012-10-09 16:22:39 +09:00
ksm.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
maccess.c
madvise.c mm: prepare VM_DONTDUMP for using in drivers 2012-10-09 16:22:18 +09:00
Makefile mm: introduce a common interface for balloon pages mobility 2012-12-11 17:22:26 -08:00
memblock.c x86, mm: Trim memory in memblock to be page aligned 2012-10-24 11:52:21 -07:00
memcontrol.c memcg: skip memcg kmem allocations in specified code regions 2012-12-18 15:02:14 -08:00
memory_hotplug.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
memory-failure.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
memory.c mm: use kbasename() 2012-12-17 17:15:17 -08:00
mempolicy.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
mempool.c
migrate.c mm,numa: fix update_mmu_cache_pmd call 2012-12-17 19:37:03 -08:00
mincore.c
mlock.c mm, thp: fix mlock statistics 2012-10-09 16:23:03 +09:00
mm_init.c
mmap.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
mmu_context.c
mmu_notifier.c mm/mmu_notifier: allocate mmu_notifier in advance 2012-10-25 14:37:53 -07:00
mmzone.c memcg: fix hotplugged memory zone oops 2012-11-16 14:33:04 -08:00
mprotect.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
mremap.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
msync.c
nobootmem.c mm: introduce new field "managed_pages" to struct zone 2012-12-12 17:38:34 -08:00
nommu.c mm: export a function to get vm committed memory 2012-11-15 15:41:22 -08:00
oom_kill.c mm, oom: remove redundant sleep in pagefault oom handler 2012-12-12 17:38:34 -08:00
page_alloc.c mm: allocate kernel pages to the right memcg 2012-12-18 15:02:12 -08:00
page_cgroup.c memcontrol: use N_MEMORY instead N_HIGH_MEMORY 2012-12-12 17:38:32 -08:00
page_io.c
page_isolation.c memory-hotplug: skip HWPoisoned page when offlining pages 2012-12-11 17:22:22 -08:00
page-writeback.c writeback: remove nr_pages_dirtied arg from balance_dirty_pages_ratelimited_nr() 2012-12-11 17:22:21 -08:00
pagewalk.c thp: change split_huge_page_pmd() interface 2012-12-12 17:38:31 -08:00
percpu-km.c
percpu-vm.c
percpu.c mm, percpu: Make sure percpu_alloc early parameter has an argument 2012-12-02 06:23:04 -08:00
pgtable-generic.c mm: Only flush the TLB when clearing an accessible pte 2012-12-11 14:28:34 +00:00
process_vm_access.c
quicklist.c
readahead.c
rmap.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
shmem.c lseek: the "whence" argument is called "whence" 2012-12-17 17:15:12 -08:00
slab_common.c memcg: allocate memory for memcg caches whenever a new memcg appears 2012-12-18 15:02:13 -08:00
slab.c slab: annotate on-slab caches nodelist locks 2012-12-18 15:02:13 -08:00
slab.h slab/slub: consider a memcg parameter in kmem_create_cache 2012-12-18 15:02:13 -08:00
slob.c mm/sl[aou]b: Common alignment code 2012-12-11 12:14:28 +02:00
slub.c slab/slub: consider a memcg parameter in kmem_create_cache 2012-12-18 15:02:13 -08:00
sparse-vmemmap.c
sparse.c memory-hotplug, mm/sparse.c: clear the memory to store struct page 2012-12-11 17:22:23 -08:00
swap_state.c
swap.c mm: remove vma arg from page_evictable 2012-10-09 16:22:55 +09:00
swapfile.c mm, oom: fix race when specifying a thread as the oom origin 2012-12-11 17:22:27 -08:00
truncate.c mm: use clear_page_mlock() in page_remove_rmap() 2012-10-09 16:22:56 +09:00
util.c Merge branch 'master' into for-next 2012-10-28 19:29:19 +01:00
vmalloc.c mm: use IS_ENABLED(CONFIG_NUMA) instead of NUMA_BUILD 2012-12-11 17:22:22 -08:00
vmscan.c vmscan: use N_MEMORY instead N_HIGH_MEMORY 2012-12-12 17:38:33 -08:00
vmstat.c Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00