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Date: Wed, 16 Apr 2014 18:21:39 +0200
From: Michal Hocko <mhocko@...e.cz>
To: akpm@...ux-foundation.org
Cc: mm-commits@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
linux-next@...r.kernel.org
Subject: Subject: since-3.14 branch opened for mm git tree (was: Re: mmotm
2014-04-15-16-14 uploaded)
I have just created since-3.14 branch in mm git tree
(http://git.kernel.org/?p=linux/kernel/git/mhocko/mm.git;a=summary). It
is based on v3.14 tag in Linus tree and mmotm-2014-04-15-16-14.
I have pulled some cgroup wide changes from Tejun and Pekka's slab
changes.
As usual mmotm trees are tagged with signed tag
(finger print BB43 1E25 7FB8 660F F2F1 D22D 48E2 09A2 B310 E347)
The current shortlog says:
Alex Thorlton (3):
mm: revert "thp: make MADV_HUGEPAGE check for mm->def_flags"
mm, thp: add VM_INIT_DEF_MASK and PRCTL_THP_DISABLE
exec: kill the unnecessary mm->def_flags setting in load_elf_binary()
Andrew Morton (9):
drivers/lguest/page_tables.c: rename do_set_pte()
mips-export-flush_icache_range-fix
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v3-fix
pagewalk-update-page-table-walker-core-fix-end-address-calculation-in-walk_page_range-fix
pagemap-redefine-callback-functions-for-page-table-walker-fix
pagewalk-remove-argument-hmask-from-hugetlb_entry-fix-fix
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix
mm/compaction.c:isolate_freepages_block(): small tuneup
do_shared_fault(): check that mmap_sem is held
Andrey Vagin (1):
proc: show mnt_id in /proc/pid/fdinfo
Bob Liu (1):
mm: rmap: don't try to add an unevictable page to lru list
Catalin Marinas (1):
arm64: Extend the PCI I/O space to 16MB
Choi Gi-yong (1):
mm: fix 'ERROR: do not initialise globals to 0 or NULL' and coding style
Christoph Lameter (8):
percpu: add raw_cpu_ops
mm: use raw_cpu ops for determining current NUMA node
modules: use raw_cpu_write for initialization of per cpu refcount.
net: replace __this_cpu_inc in route.c with raw_cpu_inc
slub: use raw_cpu_inc for incrementing statistics
vmstat: use raw_cpu_ops to avoid false positives on preemption checks
percpu: add preemption checks to __this_cpu ops
vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()
Colin Cross (1):
dma-buf: avoid using IS_ERR_OR_NULL
Cyrill Gorcunov (3):
mm: softdirty: make freshly remapped file pages being softdirty unconditionally
mm: softdirty: don't forget to save file map softdiry bit on unmap
mm: softdirty: clear VM_SOFTDIRTY flag inside clear_refs_write() instead of clear_soft_dirty()
Dave Hansen (2):
mm: slab/slub: use page->list consistently instead of page->lru
drop_caches: add some documentation and info message
Dave Jones (1):
slub: fix leak of 'name' in sysfs_slab_add
Dave Young (1):
x86/mm: sparse warning fix for early_memremap
David Howells (2):
asm/system.h: clean asm/system.h from docs
asm/system.h: um: arch_align_stack() moved to asm/exec.h
David Rientjes (9):
mm, compaction: ignore pageblock skip when manually invoking compaction
mm, hugetlb: mark some bootstrap functions as __init
mm, compaction: avoid isolating pinned pages
fork: collapse copy_flags into copy_process
mm, mempolicy: rename slab_node for clarity
mm, mempolicy: remove per-process flag
res_counter: remove interface for locked charging and uncharging
mm, compaction: determine isolation mode only once
arch/x86/mm/kmemcheck/kmemcheck.c: use kstrtoint() instead of sscanf()
Davidlohr Bueso (7):
mm, hugetlb: fix race in region tracking
mm, hugetlb: improve page-fault scalability
mm/memory.c: update comment in unmap_single_vma()
mm: per-thread vma caching
mm: fix CONFIG_DEBUG_VM_RB description
mm,vmacache: add debug data
mm,vmacache: optimize overflow system-wide flushing
Djalal Harouni (2):
procfs: make /proc/*/{stack,syscall,personality} 0400
procfs: make /proc/*/pagemap 0400
Emil Medve (1):
memblock: use for_each_memblock()
Eric W. Biederman (1):
vfs: Remove unnecessary calls of check_submounts_and_drop
Fabian Frederick (4):
sys_sysfs: Add CONFIG_SYSFS_SYSCALL
mm/memblock.c: use PFN_PHYS()
mm/readahead.c: inline ra_submit
kernel/panic.c: display reason at end + pr_emerg
Fengguang Wu (1):
cgroup: fix coccinelle warnings
Gideon Israel Dsouza (2):
mm: use macros from compiler.h instead of __attribute__((...))
kernel: use macros from compiler.h instead of __attribute__((...))
Gioh Kim (1):
mm/vmalloc.c: enhance vm_map_ram() comment
Guillaume Morin (1):
kernel/exit.c: call proc_exit_connector() after exit_state is set
Jianyu Zhan (1):
mm/slab.c: cleanup outdated comments and unify variables naming
Joe Perches (2):
slab: Make allocations with GFP_ZERO slightly more efficient
err.h: use bool for IS_ERR and IS_ERR_OR_NULL
Johannes Weiner (19):
mm: vmstat: fix UP zone state accounting
fs: cachefiles: use add_to_page_cache_lru()
lib: radix-tree: add radix_tree_delete_item()
mm: shmem: save one radix tree lookup when truncating swapped pages
mm: filemap: move radix tree hole searching here
mm + fs: prepare for non-page entries in page cache radix trees
mm + fs: store shadow entries in page cache
mm: thrash detection-based file cache sizing
lib: radix_tree: tree node interface
mm: keep page cache radix tree nodes in check
mm: memcg: remove unnecessary preemption disabling
mm: memcg: remove mem_cgroup_move_account_page_stat()
mm: memcg: inline mem_cgroup_charge_common()
mm: memcg: push !mm handling out to page cache charge function
memcg: remove unnecessary !mm check from try_get_mem_cgroup_from_mm()
memcg: get_mem_cgroup_from_mm()
memcg: sanitize __mem_cgroup_try_charge() call protocol
mm: page_alloc: spill to remote nodes before waking kswapd
mm: vmscan: do not swap anon pages just because free+file is low
John Hubbard (1):
mm/page_alloc.c: change mm debug routines back to EXPORT_SYMBOL
Joonsoo Kim (17):
slab: factor out calculate nr objects in cache_estimate
slab: introduce helper functions to get/set free object
slab: restrict the number of objects in a slab
slab: introduce byte sized index for the freelist of a slab
slab: make more slab management structure off the slab
slub: fix high order page allocation problem with __GFP_NOFAIL
slab: fix wrongly used macro
mm, hugetlb: unify region structure handling
mm, hugetlb: improve, cleanup resv_map parameters
mm, hugetlb: remove resv_map_put
mm, hugetlb: use vma_resv_map() map types
mm/compaction: disallow high-order page for migration target
mm/compaction: do not call suitable_migration_target() on every page
mm/compaction: change the timing to check to drop the spinlock
mm/compaction: check pageblock suitability once per pageblock
mm/compaction: clean-up code on success of ballon isolation
zram: support REQ_DISCARD
Josh Triplett (7):
ppc: make PPC_BOOK3S_64 select IRQ_WORK
kconfig: make allnoconfig disable options behind EMBEDDED and EXPERT
bug: when !CONFIG_BUG, simplify WARN_ON_ONCE and family
include/asm-generic/bug.h: style fix: s/while(0)/while (0)/
bug: when !CONFIG_BUG, make WARN call no_printk to check format and args
bug: Make BUG() always stop the machine
x86: always define BUG() and HAVE_ARCH_BUG, even with !CONFIG_BUG
Kees Cook (1):
mips: export flush_icache_range
Kirill A. Shutemov (14):
mm: rename __do_fault() -> do_fault()
mm: do_fault(): extract to call vm_ops->do_fault() to separate function
mm: introduce do_read_fault()
mm: introduce do_cow_fault()
mm: introduce do_shared_fault() and drop do_fault()
mm: consolidate code to call vm_ops->page_mkwrite()
mm: consolidate code to setup pte
mm, thp: drop do_huge_pmd_wp_zero_page_fallback()
mm: disable split page table lock for !MMU
mm: introduce vm_ops->map_pages()
mm: implement ->map_pages for page cache
mm: cleanup size checks in filemap_fault() and filemap_map_pages()
mm: add debugfs tunable for fault_around_order
mm: use 'const char *' insted of 'char *' for reason in dump_page()
Konstantin Khlebnikov (1):
tools/vm/page-types.c: page-cache sniffing feature
Li Zefan (10):
cgroup: fix locking in cgroupstats_build()
cgroup: fix memory leak in cgroup_mount()
cgroup: deal with dummp_top in cgroup_name() and cgroup_path()
cgroup: add a validation check to cgroup_add_cftyps()
cpuset: use rcu_read_lock() to protect task_cs()
cgroup: fix spurious lockdep warning in cgroup_exit()
cgroup: remove useless argument from cgroup_exit()
cpuset: use rcu_read_lock() to protect task_cs()
kernfs: fix kernfs_node_from_dentry()
cgroup: fix top cgroup refcnt leak
Luiz Capitulino (1):
fs/proc/meminfo: meminfo_proc_show(): fix typo in comment
Mark Salter (4):
mm: create generic early_ioremap() support
x86: use generic early_ioremap
arm64: initialize pgprot info earlier in boot
arm64: add early_ioremap support
Mel Gorman (3):
mm: optimize put_mems_allowed() usage
mm: numa: recheck for transhuge pages under lock during protection changes
mm: use paravirt friendly ops for NUMA hinting ptes
Michal Hocko (6):
mm: exclude memoryless nodes from zone_reclaim
memcg: do not replicate get_mem_cgroup_from_mm in __mem_cgroup_try_charge
memcg: rename high level charging functions
Merge remote-tracking branch 'tj/for-3.15' into mmotm-3.14
cgroup: rename subsys_id -> id
Merge remote-tracking branch 'pekka/slab/for-linus' into mmotm-3.14
Miklos Szeredi (1):
mm: remove unused arg of set_page_dirty_balance()
Mikulas Patocka (1):
mempool: add unlikely and likely hints
Minchan Kim (2):
zram: propagate error to user
mm/zswap: support multiple swap devices
Mizuma, Masayoshi (2):
mm: hugetlb: fix softlockup when a large number of hugepages are freed.
mm/hugetlb.c: add cond_resched_lock() in return_unused_surplus_pages()
Monam Agarwal (3):
cgroup: Use RCU_INIT_POINTER(x, NULL) in cgroup.c
fs/proc/inode.c: use RCU_INIT_POINTER(x, NULL)
lib/idr.c: use RCU_INIT_POINTER(x, NULL)
Naoya Horiguchi (18):
mm/hugetlb.c: add NULL check of return value of huge_pte_offset
mm, hugetlbfs: fix rmapping for anonymous hugepages with page_pgoff()
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v2
mm-hugetlbfs-fix-rmapping-for-anonymous-hugepages-with-page_pgoff-v3
pagewalk: update page table walker core
mm/pagewalk.c: fix end address calculation in walk_page_range()
pagewalk: add walk_page_vma()
smaps: redefine callback functions for page table walker
clear_refs: redefine callback functions for page table walker
pagemap: redefine callback functions for page table walker
numa_maps: redefine callback functions for page table walker
memcg: redefine callback functions for page table walker
arch/powerpc/mm/subpage-prot.c: use walk_page_vma() instead of walk_page_range()
pagewalk: remove argument hmask from hugetlb_entry()
fs/proc/task_mmu.c: assume non-NULL vma in pagemap_hugetlb()
mempolicy: apply page table walker on queue_pages_range()
mm: add !pte_present() check on existing hugetlb_entry callbacks
mm/pagewalk.c: move pte null check
Ning Qu (1):
mm: implement ->map_pages for shmem/tmpfs
Oleg Nesterov (10):
exit: call disassociate_ctty() before exit_task_namespaces()
exit: move check_stack_usage() to the end of do_exit()
exec: kill bprm->tcomm[], simplify the "basename" logic
wait: fix reparent_leader() vs EXIT_DEAD->EXIT_ZOMBIE race
wait: introduce EXIT_TRACE to avoid the racy EXIT_DEAD->EXIT_ZOMBIE transition
wait: use EXIT_TRACE only if thread_group_leader(zombie)
wait: completely ignore the EXIT_DEAD tasks
wait: swap EXIT_ZOMBIE and EXIT_DEAD to hide EXIT_TRACE from user-space
wait: WSTOPPED|WCONTINUED hangs if a zombie child is traced by real_parent
wait: WSTOPPED|WCONTINUED doesn't work if a zombie leader is traced by another process
Paul Gortmaker (1):
sparc: fix implicit include of slab.h in leon_pci_grpci2.c
Peter Foley (1):
init/Kconfig: move the trusted keyring config option to general setup
Raghavendra K T (1):
mm/readahead.c: fix readahead failure for memoryless NUMA nodes and limit readahead pages
Rashika Kheria (8):
mm/compaction.c: mark function as static
mm/memory.c: mark functions as static
mm/mmap.c: mark function as static
mm/process_vm_access.c: mark function as static
mm/page_cgroup.c: mark functions as static
mm/nobootmem.c: mark function as static
include/linux/mm.h: remove ifdef condition
include/linux/crash_dump.h: add vmcore_cleanup() prototype
Richard Cochran (1):
kernfs: fix off by one error.
Rik van Riel (2):
mm,numa: reorganize change_pmd_range()
mm: move mmu notifier call from change_protection to change_pmd_range
Roman Pen (1):
fs/mpage.c: forgotten WRITE_SYNC in case of data integrity write
Sasha Levin (1):
mm: remove read_cache_page_async()
SeongJae Park (3):
mm/zswap.c: fix trivial typo and arrange indentation
mm/zswap.c: update zsmalloc in comment to zbud
mm/zswap.c: remove unnecessary parentheses
Sergey Senozhatsky (20):
zram: drop `init_done' struct zram member
zram: do not pass rw argument to __zram_make_request()
zram: remove good and bad compress stats
zram: use atomic64_t for all zram stats
zram: remove zram stats code duplication
zram: report failed read and write stats
zram: drop not used table `count' member
zram: move zram size warning to documentation
zram: document failed_reads, failed_writes stats
zram: delete zram_init_device()
zram: introduce compressing backend abstraction
zram: use zcomp compressing backends
zram: factor out single stream compression
zram: add multi stream functionality
zram: add set_max_streams knob
zram: make compression algorithm selection possible
zram: add lz4 algorithm backend
zram: move comp allocation out of init_lock
zram: return error-valued pointer from zcomp_create()
zram: use scnprintf() in attrs show() methods
Srikar Dronamraju (1):
numa: use LAST_CPUPID_SHIFT to calculate LAST_CPUPID_MASK
Stephen Hemminger (1):
idr: remove dead code
Stephen Rothwell (1):
sun4M: add include of slab.h for kzalloc
Suleiman Souhlal (1):
mm: only force scan in reclaim when none of the LRUs are big enough.
Tejun Heo (92):
kernfs: make kernfs_deactivate() honor KERNFS_LOCKDEP flag
kernfs: replace kernfs_node->u.completion with kernfs_root->deactivate_waitq
kernfs: restructure removal path to fix possible premature return
kernfs: invoke kernfs_unmap_bin_file() directly from kernfs_deactivate()
kernfs: remove kernfs_addrm_cxt
kernfs: remove KERNFS_ACTIVE_REF and add kernfs_lockdep()
kernfs: remove KERNFS_REMOVED
kernfs, sysfs, driver-core: implement kernfs_remove_self() and its wrappers
pci: use device_remove_file_self() instead of device_schedule_callback()
scsi: use device_remove_file_self() instead of device_schedule_callback()
s390: use device_remove_file_self() instead of device_schedule_callback()
sysfs, driver-core: remove unused {sysfs|device}_schedule_callback_owner()
kernfs: invoke dir_ops while holding active ref of the target node
kernfs: rename kernfs_dir_ops to kernfs_syscall_ops
kernfs: implement kernfs_syscall_ops->remount_fs() and ->show_options()
kernfs: add missing kernfs_active() checks in directory operations
kernfs: allow nodes to be created in the deactivated state
kernfs: implement kernfs_ops->atomic_write_len
kernfs: add kernfs_open_file->priv
kernfs: implement kernfs_node_from_dentry(), kernfs_root_from_sb() and kernfs_rename()
kernfs: implement kernfs_get_parent(), kernfs_name/path() and friends
sysfs, kobject: add sysfs wrapper for kernfs_enable_ns()
kernfs: add CONFIG_KERNFS
cgroup: make CONFIG_CGROUP_NET_PRIO bool and drop unnecessary init_netclassid_cgroup()
cgroup: drop module support
cgroup: clean up cgroup_subsys names and initialization
cgroup: rename cgroup_subsys->subsys_id to ->id
cgroup: update locking in cgroup_show_options()
cgroup: remove cgroup_root_mutex
Merge branch 'for-3.14-fixes' into for-3.15
Merge branch 'driver-core-next' into cgroup/for-3.15
Merge branch 'cgroup/for-3.14-fixes' into cgroup/for-3.15
cgroup: improve css_from_dir() into css_tryget_from_dir()
cgroup: introduce cgroup_tree_mutex
cgroup: release cgroup_mutex over file removals
cgroup: restructure locking and error handling in cgroup_mount()
cgroup: factor out cgroup_setup_root() from cgroup_mount()
cgroup: update cgroup name handling
cgroup: make cgroup_subsys->base_cftypes use cgroup_add_cftypes()
cgroup: update the meaning of cftype->max_write_len
cgroup: introduce cgroup_init/exit_cftypes()
cgroup: introduce cgroup_ino()
cgroup: misc preps for kernfs conversion
cgroup: relocate functions in preparation of kernfs conversion
cgroup: convert to kernfs
cgroup: warn if "xattr" is specified with "sane_behavior"
cgroup: relocate cgroup_rm_cftypes()
cgroup: remove cftype_set
cgroup: simplify dynamic cftype addition and removal
cgroup: make cgroup hold onto its kernfs_node
cgroup: remove cgroup->name
cgroup: rename cgroupfs_root->number_of_cgroups to ->nr_cgrps and make it atomic_t
cgroup: remove cgroupfs_root->refcnt
cgroup: disallow xattr, release_agent and name if sane_behavior
cgroup: drop CGRP_ROOT_SUBSYS_BOUND
cgroup: enable task_cg_lists on the first cgroup mount
cgroup: relocate cgroup_enable_task_cg_lists()
cgroup: implement cgroup_has_tasks() and unexport cgroup_task_count()
cgroup: reimplement cgroup_transfer_tasks() without using css_scan_tasks()
cgroup: make css_set_lock a rwsem and rename it to css_set_rwsem
cpuset: use css_task_iter_start/next/end() instead of css_scan_tasks()
cgroup: remove css_scan_tasks()
cgroup: separate out put_css_set_locked() and remove put_css_set_taskexit()
cgroup: move css_set_rwsem locking outside of cgroup_task_migrate()
cgroup: drop @skip_css from cgroup_taskset_for_each()
cpuset: don't use cgroup_taskset_cur_css()
cgroup: remove cgroup_taskset_cur_css() and cgroup_taskset_size()
cgroup: cosmetic updates to cgroup_attach_task()
cgroup: unexport functions
Merge branch 'cgroup/for-3.14-fixes' into cgroup/for-3.15
cgroup: add css_set->mg_tasks
cgroup: use css_set->mg_tasks to track target tasks during migration
cgroup: separate out cset_group_from_root() from task_cgroup_from_root()
cgroup: split process / task migration into four steps
cgroup: update how a newly forked task gets associated with css_set
cgroup: drop task_lock() protection around task->cgroups
cgroup: update cgroup_transfer_tasks() to either succeed or fail
cgroup_freezer: document freezer_fork() subtleties
cgroup: relocate setting of CGRP_DEAD
cgroup: reorganize cgroup bootstrapping
cgroup: use cgroup_setup_root() to initialize cgroup_dummy_root
cgroup: remove NULL checks from [pr_cont_]cgroup_{name|path}()
cgroup: treat cgroup_dummy_root as an equivalent hierarchy during rebinding
cgroup: move ->subsys_mask from cgroupfs_root to cgroup
cgroup: rename cgroup_dummy_root and related names
cgroup: drop const from @buffer of cftype->write_string()
cgroup: make cgrp_dfl_root mountable
cgroup: implement CFTYPE_ONLY_ON_DFL
cgroup: fix cgroup_taskset walking order
cgroup: break kernfs active_ref protection in cgroup directory operations
kernfs: fix hash calculation in kernfs_rename_ns()
cgroup: newly created dirs and files should be owned by the creator
Uwe Kleine-König (1):
Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP
Vladimir Davydov (15):
mm: vmscan: respect NUMA policy mask when shrinking slab on direct reclaim
mm: vmscan: move call to shrink_slab() to shrink_zones()
mm: vmscan: remove shrink_control arg from do_try_to_free_pages()
mm: vmscan: shrink_slab: rename max_pass -> freeable
kobject: don't block for each kobject_uevent
slub: do not drop slab_mutex for sysfs_slab_add
memcg, slab: never try to merge memcg caches
memcg, slab: cleanup memcg cache creation
memcg, slab: separate memcg vs root cache creation paths
memcg, slab: unregister cache from memcg before starting to destroy it
memcg, slab: do not destroy children caches if parent has aliases
slub: adjust memcg caches when creating cache alias
slub: rework sysfs layout for memcg caches
sl[au]b: charge slabs to kmemcg explicitly
mm: get rid of __GFP_KMEMCG
Vlastimil Babka (1):
mm: try_to_unmap_cluster() should lock_page() before mlocking
WANG Chao (1):
vmcore: continue vmcore initialization if PT_NOTE is found empty
Wang YanQing (1):
kernel/groups.c: remove return value of set_groups
Weijie Yang (2):
mm/vmscan: restore sc->gfp_mask after promoting it to __GFP_HIGHMEM
mm/vmscan: do not check compaction_ready on promoted zones
Zhang Yanfei (1):
madvise: correct the comment of MADV_DODUMP flag
--
Michal Hocko
SUSE Labs
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