- almost all of the rest of MM
- kasan updates
- lots of procfs work
- misc things
- lib/ updates
- checkpatch
- rapidio
- ipc/shm updates
- the start of willy's XArray conversion
140 patches, based on f77cfbe6455a67d4e9b69f08f07fc62cd11b0674:
Subject: mm: introduce NR_INDIRECTLY_RECLAIMABLE_BYTES
Subject: mm: treat indirectly reclaimable memory as available in MemAvailable
Subject: dcache: account external names as indirectly reclaimable memory
Subject: mm: treat indirectly reclaimable memory as free in overcommit logic
Subject: mm/vmscan: update stale comments
Subject: mm/vmscan: remove redundant current_may_throttle() check
Subject: mm/vmscan: don't change pgdat state on base of a single LRU list state
Subject: mm/vmscan: don't mess with pgdat->flags in memcg reclaim
Subject: mm, vmscan, tracing: use pointer to reclaim_stat struct in trace event
Subject: mm/hmm: documentation editorial update to HMM documentation
Subject: mm/hmm: fix header file if/else/endif maze
Subject: mm/hmm: HMM should have a callback before MM is destroyed
Subject: mm/hmm: unregister mmu_notifier when last HMM client quit
Subject: mm/hmm: hmm_pfns_bad() was accessing wrong struct
Subject: mm/hmm: use struct for hmm_vma_fault(), hmm_vma_get_pfns() parameters
Subject: mm/hmm: remove HMM_PFN_READ flag and ignore peculiar architecture
Subject: mm/hmm: use uint64_t for HMM pfn instead of defining hmm_pfn_t to ulong
Subject: mm/hmm: cleanup special vma handling (VM_SPECIAL)
Subject: mm/hmm: do not differentiate between empty entry or missing directory
Subject: mm/hmm: rename HMM_PFN_DEVICE_UNADDRESSABLE to HMM_PFN_DEVICE_PRIVATE
Subject: mm/hmm: move hmm_pfns_clear() closer to where it is used
Subject: mm/hmm: factor out pte and pmd handling to simplify hmm_vma_walk_pmd()
Subject: mm/hmm: change hmm_vma_fault() to allow write fault on page basis
Subject: mm/hmm: use device driver encoding for HMM pfn
Subject: mm/hmm.c: remove superfluous RCU protection around radix tree lookup
Subject: mm/hmm: fix header file if/else/endif maze, again
Subject: Documentation/vm/hmm.txt: typos and syntaxes fixes
Subject: sched/numa: avoid trapping faults and attempting migration of file-backed dirty pages
Subject: mm: check __highest_present_section_nr directly in memory_dev_init()
Subject: mm/migrate: properly preserve write attribute in special migrate entry
Subject: memcg, thp: do not invoke oom killer on thp charges
Subject: z3fold: fix memory leak
Subject: mm/z3fold.c: use gfpflags_allow_blocking
Subject: mm/ksm.c: fix inconsistent accounting of zero pages
Subject: mm: memcg: make sure memory.events is uptodate when waking pollers
Subject: swap: divide-by-zero when zero length swap file on ssd
Subject: memcg: fix per_node_info cleanup
Subject: mm/swapfile.c: make pointer swap_avail_heads static
Subject: mm, numa: rework do_pages_move
Subject: mm, migrate: remove reason argument from new_page_t
Subject: mm: unclutter THP migration
Subject: mm/page_alloc: don't reserve ZONE_HIGHMEM for ZONE_MOVABLE request
Subject: mm/cma: manage the memory of the CMA area by using the ZONE_MOVABLE
Subject: mm/cma: remove ALLOC_CMA
Subject: ARM: CMA: avoid double mapping to the CMA area if CONFIG_HIGHMEM=y
Subject: mm/thp: don't count ZONE_MOVABLE as the target for freepage reserving
Subject: kasan, slub: fix handling of kasan_slab_free hook
Subject: kasan: fix invalid-free test crashing the kernel
Subject: kasan: prevent compiler from optimizing away memset in tests
Subject: procfs: add seq_put_hex_ll to speed up /proc/pid/maps
Subject: procfs: optimize seq_pad() to speed up /proc/pid/maps
Subject: proc: get rid of task lock/unlock pair to read umask for the "status" file
Subject: proc: do less stuff under ->pde_unload_lock
Subject: proc: move /proc/sysvipc creation to where it belongs
Subject: proc: faster open/close of files without ->release hook
Subject: proc: randomize "struct pde_opener"
Subject: proc: move "struct pde_opener" to kmem cache
Subject: proc: account "struct pde_opener"
Subject: proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps
Subject: proc: replace seq_printf on seq_putc to speed up /proc/pid/smaps
Subject: proc: optimize single-symbol delimiters to spead up seq_put_decimal_ull
Subject: proc: replace seq_printf by seq_put_smth to speed up /proc/pid/status
Subject: proc: check permissions earlier for /proc/*/wchan
Subject: proc: use set_puts() at /proc/*/wchan
Subject: fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table
Subject: fs/proc/proc_sysctl.c: remove redundant link check in proc_sys_link_fill_cache()
Subject: proc: test /proc/self/wchan
Subject: proc: test /proc/self/syscall
Subject: proc: move "struct proc_dir_entry" into kmem cache
Subject: proc: fix /proc/*/map_files lookup some more
Subject: proc: register filesystem last
Subject: proc: faster /proc/cmdline
Subject: proc: do mmput ASAP for /proc/*/map_files
Subject: proc: add selftest for last field of /proc/loadavg
Subject: proc: reject "." and ".." as filenames
Subject: proc: switch struct proc_dir_entry::count to refcount
Subject: proc: selftests: shotgun testing of read/readdir/readlink/write
Subject: proc: use slower rb_first()
Subject: proc: selftests: test /proc/uptime
Subject: taint: convert to indexed initialization
Subject: taint: consolidate documentation
Subject: taint: add taint for randstruct
Subject: uts: create "struct uts_namespace" from kmem_cache
Subject: clang-format: add configuration file
Subject: task_struct: only use anon struct under randstruct plugin
Subject: MAINTAINERS: update email address for Alexandre Bounine
Subject: lib/Kconfig.debug: Debug Lockups and Hangs: keep SOFTLOCKUP options together
Subject: lib/test_bitmap.c: do not accidentally use stack VLA
Subject: lib: add testing module for UBSAN
Subject: lib/test_ubsan.c: make test_ubsan_misaligned_access() static
Subject: lib/list_debug.c: print unmangled addresses
Subject: checkpatch: improve parse_email signature checking
Subject: checkpatch.pl: add SPDX license tag check
Subject: checkpatch: add Crypto ON_STACK to declaration_macros
Subject: checkpatch: add sub routine get_stat_real()
Subject: checkpatch: remove unused variable declarations
Subject: checkpatch: add sub routine get_stat_here()
Subject: checkpatch: warn for use of %px
Subject: checkpatch: improve get_quoted_string for TRACE_EVENT macros
Subject: checkpatch: two spelling fixes
Subject: checkpatch: test SYMBOLIC_PERMS multiple times per line
Subject: checkpatch: add test for assignment at start of line
Subject: checkpatch: allow space between colon and bracket
Subject: checkpatch: whinge about bool bitfields
Subject: init/ramdisk: use pr_cont() at the end of ramdisk loading
Subject: autofs4: use wait_event_killable
Subject: fs/reiserfs/journal.c: add missing resierfs_warning() arg
Subject: seq_file: allocate seq_file from kmem_cache
Subject: seq_file: account everything to kmemcg
Subject: exec: pass stack rlimit into mm layout functions
Subject: exec: introduce finalize_exec() before start_thread()
Subject: exec: pin stack limit during exec
Subject: drivers/rapidio/rio-scan.c: fix typo in comment
Subject: rapidio: use a reference count for struct mport_dma_req
Subject: kernel/sysctl.c: fix sizeof argument to match variable name
Subject: kernel/params.c: downgrade warning for unsafe parameters
Subject: ipc/shm: introduce shmctl(SHM_STAT_ANY)
Subject: ipc/sem: introduce semctl(SEM_STAT_ANY)
Subject: ipc/msg: introduce msgctl(MSG_STAT_ANY)
Subject: fs/proc/proc_sysctl.c: fix typo in sysctl_check_table_array()
Subject: kernel/sysctl.c: add kdoc comments to do_proc_do{u}intvec_minmax_conv_param
Subject: ipc/shm.c: shm_split(): remove unneeded test for NULL shm_file_data.vm_ops
Subject: include/linux/kfifo.h: fix comment
Subject: fs/dcache.c: add cond_resched() in shrink_dentry_list()
Subject: MAINTAINERS: update bouncing aacraid@xxxxxxxxxxx addresses
Subject: mm: introduce MAP_FIXED_NOREPLACE
Subject: fs, elf: drop MAP_FIXED usage from elf_map
Subject: elf: enforce MAP_FIXED on overlaying elf segments
Subject: xen, mm: allow deferred page initialization for xen pv domains
Subject: linux/const.h: prefix include guard of uapi/linux/const.h with _UAPI
Subject: linux/const.h: move UL() macro to include/linux/const.h
Subject: linux/const.h: refactor _BITUL and _BITULL a bit
Subject: radix tree: use GFP_ZONEMASK bits of gfp_t for flags
Subject: mac80211_hwsim: use DEFINE_IDA
Subject: arm64: turn flush_dcache_mmap_lock into a no-op
Subject: unicore32: turn flush_dcache_mmap_lock into a no-op
Subject: export __set_page_dirty
Subject: fscache: use appropriate radix tree accessors
Subject: xarray: add the xa_lock to the radix_tree_root
Subject: page cache: use xa_lock
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