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Tejun Heo 2cf855837b memcontrol: schedule throttling if we are congested 
Memory allocations can induce swapping via kswapd or direct reclaim.  If
we are having IO done for us by kswapd and don't actually go into direct
reclaim we may never get scheduled for throttling.  So instead check to
see if our cgroup is congested, and if so schedule the throttling.
Before we return to user space the throttling stuff will only throttle
if we actually required it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-07-09 09:07:54 -06:00
..
kasan
kasan: fix shadow_size calculation error in kasan_module_alloc
2018-07-03 17:32:19 -07:00
backing-dev.c
bdi: Fix another oops in wb_workfn()
2018-06-22 12:08:07 -06:00
balloon_compaction.c
virtio_balloon: fix deadlock on OOM
2017-11-14 23:57:38 +02:00
bootmem.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
cleancache.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
cma_debug.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
cma.c
Revert "mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE"
2018-05-24 10:07:50 -07:00
cma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compaction.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
debug_page_ref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug.c
mm: teach dump_page() to correctly output poisoned struct pages
2018-07-03 17:32:19 -07:00
dmapool.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2017-12-11 14:54:44 +01:00
fadvise.c
mm: add ksys_fadvise64_64() helper; remove in-kernel call to sys_fadvise64_64()
2018-04-02 20:16:10 +02:00
failslab.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
filemap.c
mm: use new return type vm_fault_t
2018-06-07 17:34:36 -07:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2017-12-14 16:00:48 -08:00
frontswap.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
gup_benchmark.c
treewide: kvzalloc() -> kvcalloc()
2018-06-12 16:19:22 -07:00
gup.c
libnvdimm for 4.18
2018-06-08 17:21:52 -07:00
highmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hmm.c
mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS
2018-05-22 06:59:39 -07:00
huge_memory.c
memcontrol: schedule throttling if we are congested
2018-07-09 09:07:54 -06:00
hugetlb_cgroup.c
mm: rename page_counter's count/limit into usage/max
2018-06-07 17:34:35 -07:00
hugetlb.c
mm: hugetlb: yield when prepping struct pages
2018-07-03 17:32:19 -07:00
hwpoison-inject.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
init-mm.c
mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct
2018-06-07 17:34:34 -07:00
internal.h
Changes for 4.18:
2018-06-05 13:24:20 -07:00
interval_tree.c
mm/interval_tree.c: use vma_pages() helper
2018-01-31 17:18:37 -08:00
Kconfig
libnvdimm for 4.18
2018-06-08 17:21:52 -07:00
Kconfig.debug
kmemcheck: rip it out
2017-11-15 18:21:05 -08:00
khugepaged.c
page cache: use xa_lock
2018-04-11 10:28:39 -07:00
kmemleak-test.c
…
kmemleak.c
mm: kernel-doc: add missing parameter descriptions
2018-04-05 21:36:27 -07:00
ksm.c
mm/ksm.c: ignore STABLE_FLAG of rmap_item->address in rmap_walk_ksm()
2018-06-15 07:55:23 +09:00
list_lru.c
mm: make counting of list_lru_one::nr_items lockless
2018-04-05 21:36:27 -07:00
maccess.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
madvise.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
Makefile
mm: restructure memfd code
2018-06-07 17:34:35 -07:00
memblock.c
revert "mm/memblock: add missing include <linux/bootmem.h>"
2018-06-19 07:43:44 +09:00
memcontrol.c
memcontrol: schedule throttling if we are congested
2018-07-09 09:07:54 -06:00
memfd.c
mm: restructure memfd code
2018-06-07 17:34:35 -07:00
memory_hotplug.c
mm: move is_pageblock_removable_nolock() to mm/memory_hotplug.c
2018-06-07 17:34:36 -07:00
memory-failure.c
mm, migrate: remove reason argument from new_page_t
2018-04-11 10:28:32 -07:00
memory.c
memcontrol: schedule throttling if we are congested
2018-07-09 09:07:54 -06:00
mempolicy.c
mm: unclutter THP migration
2018-04-11 10:28:32 -07:00
mempool.c
mempool: Add mempool_init()/mempool_exit()
2018-05-14 13:14:23 -06:00
memtest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
migrate.c
mm: migrate: fix double call of radix_tree_replace_slot()
2018-05-11 17:28:45 -07:00
mincore.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mlock.c
mm, mlock, vmscan: no more skipping pagevecs
2018-02-21 15:35:42 -08:00
mm_init.c
…
mmap.c
mm: change return type to vm_fault_t
2018-06-07 17:34:36 -07:00
mmu_context.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
mmu_notifier.c
mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks
2018-01-31 17:18:38 -08:00
mmzone.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mprotect.c
sched/numa: avoid trapping faults and attempting migration of file-backed dirty pages
2018-04-11 10:28:31 -07:00
mremap.c
mremap: remove LATENCY_LIMIT from mremap to reduce the number of TLB shootdowns
2018-06-15 07:55:24 +09:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nobootmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nommu.c
mm: use new return type vm_fault_t
2018-06-07 17:34:36 -07:00
oom_kill.c
mm: fix oom_kill event handling
2018-06-15 07:55:25 +09:00
page_alloc.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
page_counter.c
memcg: introduce memory.min
2018-06-07 17:34:36 -07:00
page_ext.c
mm/page_ext.c: make page_ext_init a noop when CONFIG_PAGE_EXTENSION but nothing uses it
2018-01-31 17:18:39 -08:00
page_idle.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
page_io.c
swap,blkcg: issue swap io with the appropriate context
2018-07-09 09:07:54 -06:00
page_isolation.c
mm, migrate: remove reason argument from new_page_t
2018-04-11 10:28:32 -07:00
page_owner.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
page_poison.c
mm/page_poison.c: make early_page_poison_param() __init
2018-04-05 21:36:26 -07:00
page_vma_mapped.c
mm, page_vma_mapped: Introduce pfn_in_hpage()
2018-01-22 12:15:57 -08:00
page-writeback.c
writeback: safer lock nesting
2018-04-20 17:18:35 -07:00
pagewalk.c
mm: kernel-doc: add missing parameter descriptions
2018-04-05 21:36:27 -07:00
percpu-internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu-km.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu-stats.c
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
percpu-vm.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu.c
arch: remove obsolete architecture ports
2018-04-02 20:20:12 -07:00
pgtable-generic.c
mm: do not lose dirty and accessed bits in pmdp_invalidate()
2018-01-31 17:18:38 -08:00
process_vm_access.c
mm: docs: add blank lines to silence sphinx "Unexpected indentation" errors
2018-02-06 18:32:48 -08:00
quicklist.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
readahead.c
mm: split ->readpages calls to avoid non-contiguous pages lists
2018-06-01 18:37:32 -07:00
rmap.c
Linux 4.17-rc2
2018-04-27 17:13:20 -06:00
rodata_test.c
mm: fix RODATA_TEST failure "rodata_test: test data was not read only"
2017-10-03 17:54:24 -07:00
shmem.c
memcontrol: schedule throttling if we are congested
2018-07-09 09:07:54 -06:00
slab_common.c
slub: fix failure when we delete and create a slab cache
2018-06-28 11:16:44 -07:00
slab.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
slab.h
slab, slub: skip unnecessary kasan_cache_shutdown()
2018-04-05 21:36:24 -07:00
slob.c
slab: __GFP_ZERO is incompatible with a constructor
2018-06-07 17:34:34 -07:00
slub.c
slub: fix failure when we delete and create a slab cache
2018-06-28 11:16:44 -07:00
sparse-vmemmap.c
mm: merge vmem_altmap_alloc into altmap_alloc_block_buf
2018-01-08 11:46:23 -08:00
sparse.c
mm/sparse.c: pass the __highest_present_section_nr + 1 to alloc_func()
2018-06-07 17:34:35 -07:00
swap_cgroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_slots.c
treewide: kvzalloc() -> kvcalloc()
2018-06-12 16:19:22 -07:00
swap_state.c
treewide: kvzalloc() -> kvcalloc()
2018-06-12 16:19:22 -07:00
swap.c
mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS
2018-05-22 06:59:39 -07:00
swapfile.c
memcontrol: schedule throttling if we are congested
2018-07-09 09:07:54 -06:00
truncate.c
page cache: use xa_lock
2018-04-11 10:28:39 -07:00
usercopy.c
usercopy: WARN() on slab cache usercopy region violations
2018-01-15 12:07:48 -08:00
userfaultfd.c
userfaultfd: prevent non-cooperative events vs mcopy_atomic races
2018-06-07 17:34:38 -07:00
util.c
mm: kvmalloc does not fallback to vmalloc for incompatible gfp flags
2018-06-07 17:34:38 -07:00
vmacache.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vmalloc.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
vmpressure.c
mm/vmpressure.c: convert to use match_string() helper
2018-06-07 17:34:36 -07:00
vmscan.c
memcg: introduce memory.min
2018-06-07 17:34:36 -07:00
vmstat.c
Revert mm/vmstat.c: fix vmstat_update() preemption BUG
2018-06-28 11:16:44 -07:00
workingset.c
page cache: use xa_lock
2018-04-11 10:28:39 -07:00
z3fold.c
z3fold: fix reclaim lock-ups
2018-05-11 17:28:45 -07:00
zbud.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
zpool.c
mm/zpool.c: zpool_evictable: fix mismatch in parameter name and kernel-doc
2018-02-21 15:35:43 -08:00
zsmalloc.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
zswap.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00