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b2052564e6
kernel_optimize_test/mm
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Johannes Weiner b2052564e6 mm: memcontrol: continue cache reclaim from offlined groups 
On cgroup deletion, outstanding page cache charges are moved to the parent
group so that they're not lost and can be reclaimed during pressure
on/inside said parent.  But this reparenting is fairly tricky and its
synchroneous nature has led to several lock-ups in the past.

Since c2931b70a3 ("cgroup: iterate cgroup_subsys_states directly") css
iterators now also include offlined css, so memcg iterators can be changed
to include offlined children during reclaim of a group, and leftover cache
can just stay put.

There is a slight change of behavior in that charges of deleted groups no
longer show up as local charges in the parent.  But they are still
included in the parent's hierarchical statistics.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vladimir Davydov <vdavydov@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: David Rientjes <rientjes@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>
2014-12-10 17:41:05 -08:00
..
backing-dev.c Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block 2014-10-18 11:53:51 -07:00
balloon_compaction.c mm/balloon_compaction: fix deflation when compaction is disabled 2014-10-29 16:33:15 -07:00
bootmem.c mem-hotplug: reset node managed pages when hot-adding a new pgdat 2014-11-13 16:17:06 -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
cma.c mm/CMA: fix boot regression due to physical address of high_memory 2014-12-10 17:41:02 -08:00
compaction.c mm, compaction: prevent infinite loop in compact_zone 2014-11-13 16:17:06 -08:00
debug-pagealloc.c
debug.c mm/debug.c: use pr_emerg() 2014-10-09 22:25:59 -04:00
dmapool.c mm/dmapool.c: fixed a brace coding style issue 2014-10-09 22:26:00 -04:00
early_ioremap.c mm: create generic early_ioremap() support 2014-04-07 16:36:15 -07:00
fadvise.c
failslab.c
filemap_xip.c seqcount: Add lockdep functionality to seqcount/seqlock structures 2013-11-06 12:40:26 +01:00
filemap.c mm/filemap.c: remove trailing whitespace 2014-10-09 22:26:00 -04:00
fremap.c mm: mark remap_file_pages() syscall as deprecated 2014-06-06 16:08:17 -07:00
frontswap.c mm: frontswap: invalidate expired data on a dup-store failure 2014-12-02 17:32:07 -08:00
gup.c mm: introduce a general RCU get_user_pages_fast() 2014-10-09 22:26:00 -04:00
highmem.c mm/highmem: make kmap cache coloring aware 2014-08-06 18:01:22 -07:00
huge_memory.c mm, thp: fix collapsing of hugepages on madvise 2014-10-29 16:33:14 -07:00
hugetlb_cgroup.c mm: hugetlb_cgroup: convert to lockless page counters 2014-12-10 17:41:04 -08:00
hugetlb.c mm: convert a few VM_BUG_ON callers to VM_BUG_ON_VMA 2014-10-09 22:25:57 -04:00
hwpoison-inject.c mm/hwpoison-inject.c: remove unnecessary null test before debugfs_remove_recursive 2014-08-06 18:01:19 -07:00
init-mm.c
internal.h mm/page_alloc: restrict max order of merging on isolated pageblock 2014-11-13 16:17:05 -08:00
interval_tree.c mm: convert a few VM_BUG_ON callers to VM_BUG_ON_VMA 2014-10-09 22:25:57 -04:00
iov_iter.c Fix thinko in iov_iter_single_seg_count 2014-11-13 13:28:55 -05:00
Kconfig mm/balloon_compaction: add vmstat counters and kpageflags bit 2014-10-09 22:26:01 -04:00
Kconfig.debug
kmemcheck.c mm/slab_common: move kmem_cache definition to internal header 2014-10-09 22:25:50 -04:00
kmemleak-test.c mm/kmemleak-test.c: use pr_fmt for logging 2014-06-06 16:08:18 -07:00
kmemleak.c mm: introduce kmemleak_update_trace() 2014-06-06 16:08:17 -07:00
ksm.c mm: ksm use pr_err instead of printk 2014-10-09 22:26:00 -04:00
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: update the description for madvise_remove 2014-08-06 18:01:18 -07:00
Makefile mm: memcontrol: lockless page counters 2014-12-10 17:41:04 -08:00
memblock.c mem-hotplug: let memblock skip the hotpluggable memory regions in __next_mem_range() 2014-09-10 15:42:12 -07:00
memcontrol.c mm: memcontrol: continue cache reclaim from offlined groups 2014-12-10 17:41:05 -08:00
memory_hotplug.c mem-hotplug: reset node present pages when hot-adding a new pgdat 2014-11-13 16:17:06 -08:00
memory-failure.c cgroup: remove redundant check in cgroup_ino() 2014-09-19 09:16:23 -04:00
memory.c arm64 updates for 3.19 2014-12-09 13:12:47 -08:00
mempolicy.c mm: mempolicy: skip inaccessible VMAs when setting MPOL_MF_LAZY 2014-10-09 22:26:02 -04:00
mempool.c mm/mempool.c: update the kmemleak stack trace for mempool allocations 2014-06-06 16:08:17 -07:00
migrate.c mm/balloon_compaction: redesign ballooned pages management 2014-10-09 22:26:01 -04:00
mincore.c mm + fs: prepare for non-page entries in page cache radix trees 2014-04-03 16:21:00 -07:00
mlock.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 15:44:12 +02:00
mm_init.c mm: bring back /sys/kernel/mm 2014-01-27 21:02:39 -08:00
mmap.c Merge branch 'x86-mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-10 09:34:43 -08:00
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 kvm: Fix page ageing bugs 2014-09-24 14:07:58 +02:00
mmzone.c mm: numa: Change page last {nid,pid} into {cpu,pid} 2013-10-09 14:47:45 +02:00
mprotect.c mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared 2014-10-14 02:18:28 +02:00
mremap.c mm/mremap.c: use linux headers 2014-10-09 22:26:00 -04:00
msync.c msync: fix incorrect fstart calculation 2014-07-03 09:21:53 -07:00
nobootmem.c mem-hotplug: reset node managed pages when hot-adding a new pgdat 2014-11-13 16:17:06 -08:00
nommu.c percpu_counter: add @gfp to percpu_counter_init() 2014-09-08 09:51:29 +09:00
oom_kill.c OOM, PM: OOM killed task shouldn't escape PM suspend 2014-10-21 23:44:21 +02:00
page_alloc.c mm/debug-pagealloc: correct freepage accounting and order resetting 2014-11-13 16:17:06 -08:00
page_cgroup.c cgroup/kmemleak: add kmemleak_free() for cgroup deallocations. 2014-10-29 16:33:13 -07:00
page_counter.c mm: memcontrol: remove obsolete kmemcg pinning tricks 2014-12-10 17:41:05 -08:00
page_io.c fix __swap_writepage() compile failure on old gcc versions 2014-06-14 19:30:48 -05:00
page_isolation.c mm/page_alloc: restrict max order of merging on isolated pageblock 2014-11-13 16:17:05 -08:00
page-writeback.c mm: memcontrol: fix missed end-writeback page accounting 2014-10-29 16:33:15 -07:00
pagewalk.c mm: use VM_BUG_ON_MM where possible 2014-10-09 22:25:58 -04:00
percpu-km.c percpu: implmeent pcpu_nr_empty_pop_pages and chunk->nr_populated 2014-09-02 14:46:05 -04:00
percpu-vm.c percpu: move region iterations out of pcpu_[de]populate_chunk() 2014-09-02 14:46:02 -04:00
percpu.c percpu: fix how @gfp is interpreted by the percpu allocator 2014-10-08 12:01:52 -04:00
pgtable-generic.c mm: actually clear pmd_numa before invalidating 2014-08-29 16:28:15 -07:00
process_vm_access.c start adding the tag to iov_iter 2014-05-06 17:32:49 -04:00
quicklist.c
readahead.c mm/readahead.c: remove unused file_ra_state from count_history_pages 2014-08-06 18:01:15 -07:00
rmap.c mm: fix anon_vma_clone() error treatment 2014-12-03 09:36:04 -08:00
shmem.c shmem: support RENAME_WHITEOUT 2014-10-24 00:14:37 +02:00
slab_common.c mm/slab: reverse iteration on find_mergeable() 2014-12-10 17:41:04 -08:00
slab.c slab: improve checking for invalid gfp_flags 2014-12-10 17:41:04 -08:00
slab.h slab: replace smp_read_barrier_depends() with lockless_dereference() 2014-12-10 17:41:04 -08:00
slob.c mm/sl[ao]b: always track caller in kmalloc_(node_)track_caller() 2014-10-09 22:25:50 -04:00
slub.c slab: improve checking for invalid gfp_flags 2014-12-10 17:41:04 -08:00
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 mm: memcontrol: do not kill uncharge batching in free_pages_and_swap_cache 2014-10-09 22:25:59 -04:00
swap.c mm: memcontrol: do not kill uncharge batching in free_pages_and_swap_cache 2014-10-09 22:25:59 -04:00
swapfile.c mm: memcontrol: rewrite uncharge API 2014-08-08 15:57:17 -07:00
truncate.c mm: Fix comment before truncate_setsize() 2014-11-07 08:29:25 +11:00
util.c proc/maps: make vm_is_stack() logic namespace-friendly 2014-10-09 22:25:50 -04:00
vmacache.c mm,vmacache: optimize overflow system-wide flushing 2014-06-04 16:53:57 -07:00
vmalloc.c mm/vmalloc.c: use seq_open_private() instead of seq_open() 2014-10-09 22:25:56 -04:00
vmpressure.c mm/vmpressure.c: fix race in vmpressure_work_fn() 2014-12-02 17:32:07 -08:00
vmscan.c mm: memcontrol: fix transparent huge page allocations under pressure 2014-10-09 22:25:59 -04:00
vmstat.c vmstat: on-demand vmstat workers V8 2014-10-09 22:26:02 -04:00
workingset.c mm: keep page cache radix tree nodes in check 2014-04-03 16:21:01 -07:00
zbud.c zbud: avoid accessing last unused freelist 2014-10-09 22:26:03 -04:00
zpool.c mm/zpool: use prefixed module loading 2014-08-29 16:28:16 -07:00
zsmalloc.c zsmalloc: simplify init_zspage free obj linking 2014-10-09 22:26:03 -04:00
zswap.c mm/zswap.c: add __init to zswap_entry_cache_destroy() 2014-08-08 15:57:18 -07:00