- The rest of MM.
Includes kfence - another runtime memory validator. Not as
thorough as KASAN, but it has unmeasurable overhead and is intended
to be usable in production builds.
- Everything else
118 patches, based on 6fbd6cf85a3be127454a1ad58525a3adcf8612ab.
Subsystems affected by this patch series:
mm/thp
mm/cma
mm/vmstat
mm/memory-hotplug
mm/mlock
mm/rmap
mm/zswap
mm/zsmalloc
mm/cleanups
mm/kfence
mm/kasan2
alpha
procfs
sysctl
misc
core-kernel
MAINTAINERS
lib
bitops
checkpatch
init
coredump
seq_file
gdb
ubsan
initramfs
mm/pagemap2
Subsystem: mm/thp
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>:
Patch series "Overhaul multi-page lookups for THP", v4:
mm: make pagecache tagged lookups return only head pages
mm/shmem: use pagevec_lookup in shmem_unlock_mapping
mm/swap: optimise get_shadow_from_swap_cache
mm: add FGP_ENTRY
mm/filemap: rename find_get_entry to mapping_get_entry
mm/filemap: add helper for finding pages
mm/filemap: add mapping_seek_hole_data
iomap: use mapping_seek_hole_data
mm: add and use find_lock_entries
mm: add an 'end' parameter to find_get_entries
mm: add an 'end' parameter to pagevec_lookup_entries
mm: remove nr_entries parameter from pagevec_lookup_entries
mm: pass pvec directly to find_get_entries
mm: remove pagevec_lookup_entries
Rik van Riel <riel@xxxxxxxxxxx>:
Patch series "mm,thp,shm: limit shmem THP alloc gfp_mask", v6:
mm,thp,shmem: limit shmem THP alloc gfp_mask
mm,thp,shm: limit gfp mask to no more than specified
mm,thp,shmem: make khugepaged obey tmpfs mount flags
mm,shmem,thp: limit shmem THP allocations to requested zones
Subsystem: mm/cma
Roman Gushchin <guro@xxxxxx>:
mm: cma: allocate cma areas bottom-up
David Hildenbrand <david@xxxxxxxxxx>:
mm/cma: expose all pages to the buddy if activation of an area fails
mm/page_alloc: count CMA pages per zone and print them in /proc/zoneinfo
Patrick Daly <pdaly@xxxxxxxxxxxxxx>:
mm: cma: print region name on failure
Subsystem: mm/vmstat
Johannes Weiner <hannes@xxxxxxxxxxx>:
mm: vmstat: fix NOHZ wakeups for node stat changes
mm: vmstat: add some comments on internal storage of byte items
Jiang Biao <benbjiang@xxxxxxxxxxx>:
mm/vmstat.c: erase latency in vmstat_shepherd
Subsystem: mm/memory-hotplug
Dan Williams <dan.j.williams@xxxxxxxxx>:
Patch series "mm: Fix pfn_to_online_page() with respect to ZONE_DEVICE", v4:
mm: move pfn_to_online_page() out of line
mm: teach pfn_to_online_page() to consider subsection validity
mm: teach pfn_to_online_page() about ZONE_DEVICE section collisions
mm: fix memory_failure() handling of dax-namespace metadata
Anshuman Khandual <anshuman.khandual@xxxxxxx>:
mm/memory_hotplug: rename all existing 'memhp' into 'mhp'
David Hildenbrand <david@xxxxxxxxxx>:
mm/memory_hotplug: MEMHP_MERGE_RESOURCE -> MHP_MERGE_RESOURCE
Miaohe Lin <linmiaohe@xxxxxxxxxx>:
mm/memory_hotplug: use helper function zone_end_pfn() to get end_pfn
David Hildenbrand <david@xxxxxxxxxx>:
drivers/base/memory: don't store phys_device in memory blocks
Documentation: sysfs/memory: clarify some memory block device properties
Anshuman Khandual <anshuman.khandual@xxxxxxx>:
Patch series "mm/memory_hotplug: Pre-validate the address range with platform", v5:
mm/memory_hotplug: prevalidate the address range being added with platform
arm64/mm: define arch_get_mappable_range()
s390/mm: define arch_get_mappable_range()
David Hildenbrand <david@xxxxxxxxxx>:
virtio-mem: check against mhp_get_pluggable_range() which memory we can hotplug
Subsystem: mm/mlock
Miaohe Lin <linmiaohe@xxxxxxxxxx>:
mm/mlock: stop counting mlocked pages when none vma is found
Subsystem: mm/rmap
Miaohe Lin <linmiaohe@xxxxxxxxxx>:
mm/rmap: correct some obsolete comments of anon_vma
mm/rmap: remove unneeded semicolon in page_not_mapped()
mm/rmap: fix obsolete comment in __page_check_anon_rmap()
mm/rmap: use page_not_mapped in try_to_unmap()
mm/rmap: correct obsolete comment of page_get_anon_vma()
mm/rmap: fix potential pte_unmap on an not mapped pte
Subsystem: mm/zswap
Randy Dunlap <rdunlap@xxxxxxxxxxxxx>:
mm: zswap: clean up confusing comment
Tian Tao <tiantao6@xxxxxxxxxxxxx>:
Patch series "Fix the compatibility of zsmalloc and zswap":
mm/zswap: add the flag can_sleep_mapped
mm: set the sleep_mapped to true for zbud and z3fold
Subsystem: mm/zsmalloc
Miaohe Lin <linmiaohe@xxxxxxxxxx>:
mm/zsmalloc.c: convert to use kmem_cache_zalloc in cache_alloc_zspage()
Rokudo Yan <wu-yan@xxxxxxx>:
zsmalloc: account the number of compacted pages correctly
Miaohe Lin <linmiaohe@xxxxxxxxxx>:
mm/zsmalloc.c: use page_private() to access page->private
Subsystem: mm/cleanups
Guo Ren <guoren@xxxxxxxxxxxxxxxxx>:
mm: page-flags.h: Typo fix (It -> If)
Daniel Vetter <daniel.vetter@xxxxxxxx>:
mm/dmapool: use might_alloc()
mm/backing-dev.c: use might_alloc()
Stephen Zhang <stephenzhangzsd@xxxxxxxxx>:
mm/early_ioremap.c: use __func__ instead of function name
Subsystem: mm/kfence
Alexander Potapenko <glider@xxxxxxxxxx>:
Patch series "KFENCE: A low-overhead sampling-based memory safety error detector", v7:
mm: add Kernel Electric-Fence infrastructure
x86, kfence: enable KFENCE for x86
Marco Elver <elver@xxxxxxxxxx>:
arm64, kfence: enable KFENCE for ARM64
kfence: use pt_regs to generate stack trace on faults
Alexander Potapenko <glider@xxxxxxxxxx>:
mm, kfence: insert KFENCE hooks for SLAB
mm, kfence: insert KFENCE hooks for SLUB
kfence, kasan: make KFENCE compatible with KASAN
Marco Elver <elver@xxxxxxxxxx>:
kfence, Documentation: add KFENCE documentation
kfence: add test suite
MAINTAINERS: add entry for KFENCE
kfence: report sensitive information based on no_hash_pointers
Alexander Potapenko <glider@xxxxxxxxxx>:
Patch series "Add error_report_end tracepoint to KFENCE and KASAN", v3:
tracing: add error_report_end trace point
kfence: use error_report_end tracepoint
kasan: use error_report_end tracepoint
Subsystem: mm/kasan2
Andrey Konovalov <andreyknvl@xxxxxxxxxx>:
Patch series "kasan: optimizations and fixes for HW_TAGS", v4:
kasan, mm: don't save alloc stacks twice
kasan, mm: optimize kmalloc poisoning
kasan: optimize large kmalloc poisoning
kasan: clean up setting free info in kasan_slab_free
kasan: unify large kfree checks
kasan: rework krealloc tests
kasan, mm: fail krealloc on freed objects
kasan, mm: optimize krealloc poisoning
kasan: ensure poisoning size alignment
arm64: kasan: simplify and inline MTE functions
kasan: inline HW_TAGS helper functions
kasan: clarify that only first bug is reported in HW_TAGS
Subsystem: alpha
Randy Dunlap <rdunlap@xxxxxxxxxxxxx>:
alpha: remove CONFIG_EXPERIMENTAL from defconfigs
Subsystem: procfs
Helge Deller <deller@xxxxxx>:
proc/wchan: use printk format instead of lookup_symbol_name()
Josef Bacik <josef@xxxxxxxxxxxxxx>:
proc: use kvzalloc for our kernel buffer
Subsystem: sysctl
Lin Feng <linf@xxxxxxxxxx>:
sysctl.c: fix underflow value setting risk in vm_table
Subsystem: misc
Randy Dunlap <rdunlap@xxxxxxxxxxxxx>:
include/linux: remove repeated words
Miguel Ojeda <ojeda@xxxxxxxxxx>:
treewide: Miguel has moved
Subsystem: core-kernel
Hubert Jasudowicz <hubert.jasudowicz@xxxxxxxxx>:
groups: use flexible-array member in struct group_info
groups: simplify struct group_info allocation
Randy Dunlap <rdunlap@xxxxxxxxxxxxx>:
kernel: delete repeated words in comments
Subsystem: MAINTAINERS
Vlastimil Babka <vbabka@xxxxxxx>:
MAINTAINERS: add uapi directories to API/ABI section
Subsystem: lib
Huang Shijie <sjhuang@xxxxxxxxxxx>:
lib/genalloc.c: change return type to unsigned long for bitmap_set_ll
Francis Laniel <laniel_francis@xxxxxxxxxxxxxxxxxxx>:
string.h: move fortified functions definitions in a dedicated header.
Yogesh Lal <ylal@xxxxxxxxxxxxxx>:
lib: stackdepot: add support to configure STACK_HASH_SIZE
Vijayanand Jitta <vjitta@xxxxxxxxxxxxxx>:
lib: stackdepot: add support to disable stack depot
lib: stackdepot: fix ignoring return value warning
Masahiro Yamada <masahiroy@xxxxxxxxxx>:
lib/cmdline: remove an unneeded local variable in next_arg()
Subsystem: bitops
Geert Uytterhoeven <geert+renesas@xxxxxxxxx>:
include/linux/bitops.h: spelling s/synomyn/synonym/
Subsystem: checkpatch
Joe Perches <joe@xxxxxxxxxxx>:
checkpatch: improve blank line after declaration test
Peng Wang <rocking@xxxxxxxxxxxxxxxxx>:
checkpatch: ignore warning designated initializers using NR_CPUS
Dwaipayan Ray <dwaipayanray1@xxxxxxxxx>:
checkpatch: trivial style fixes
Joe Perches <joe@xxxxxxxxxxx>:
checkpatch: prefer ftrace over function entry/exit printks
checkpatch: improve TYPECAST_INT_CONSTANT test message
Aditya Srivastava <yashsri421@xxxxxxxxx>:
checkpatch: add warning for avoiding .L prefix symbols in assembly files
Joe Perches <joe@xxxxxxxxxxx>:
checkpatch: add kmalloc_array_node to unnecessary OOM message check
Chris Down <chris@xxxxxxxxxxxxxx>:
checkpatch: don't warn about colon termination in linker scripts
Song Liu <songliubraving@xxxxxx>:
checkpatch: do not apply "initialise globals to 0" check to BPF progs
Subsystem: init
Masahiro Yamada <masahiroy@xxxxxxxxxx>:
init/version.c: remove Version_<LINUX_VERSION_CODE> symbol
init: clean up early_param_on_off() macro
Bhaskar Chowdhury <unixbhaskar@xxxxxxxxx>:
init/Kconfig: fix a typo in CC_VERSION_TEXT help text
Subsystem: coredump
Ira Weiny <ira.weiny@xxxxxxxxx>:
fs/coredump: use kmap_local_page()
Subsystem: seq_file
NeilBrown <neilb@xxxxxxx>:
Patch series "Fix some seq_file users that were recently broken":
seq_file: document how per-entry resources are managed.
x86: fix seq_file iteration for pat/memtype.c
Subsystem: gdb
George Prekas <prekageo@xxxxxxxxxx>:
scripts/gdb: fix list_for_each
Sumit Garg <sumit.garg@xxxxxxxxxx>:
kgdb: fix to kill breakpoints on initmem after boot
Subsystem: ubsan
Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>:
ubsan: remove overflow checks
Subsystem: initramfs
Florian Fainelli <f.fainelli@xxxxxxxxx>:
initramfs: panic with memory information
Subsystem: mm/pagemap2
Huang Pei <huangpei@xxxxxxxxxxx>:
MIPS: make userspace mapping young by default
.mailmap | 1
CREDITS | 9
Documentation/ABI/testing/sysfs-devices-memory | 58 -
Documentation/admin-guide/auxdisplay/cfag12864b.rst | 2
Documentation/admin-guide/auxdisplay/ks0108.rst | 2
Documentation/admin-guide/kernel-parameters.txt | 6
Documentation/admin-guide/mm/memory-hotplug.rst | 20
Documentation/dev-tools/index.rst | 1
Documentation/dev-tools/kasan.rst | 8
Documentation/dev-tools/kfence.rst | 318 +++++++
Documentation/filesystems/seq_file.rst | 6
MAINTAINERS | 26
arch/alpha/configs/defconfig | 1
arch/arm64/Kconfig | 1
arch/arm64/include/asm/cache.h | 1
arch/arm64/include/asm/kasan.h | 1
arch/arm64/include/asm/kfence.h | 26
arch/arm64/include/asm/mte-def.h | 2
arch/arm64/include/asm/mte-kasan.h | 65 +
arch/arm64/include/asm/mte.h | 2
arch/arm64/kernel/mte.c | 46 -
arch/arm64/lib/mte.S | 16
arch/arm64/mm/fault.c | 8
arch/arm64/mm/mmu.c | 23
arch/mips/mm/cache.c | 30
arch/s390/mm/init.c | 1
arch/s390/mm/vmem.c | 14
arch/x86/Kconfig | 1
arch/x86/include/asm/kfence.h | 76 +
arch/x86/mm/fault.c | 10
arch/x86/mm/pat/memtype.c | 4
drivers/auxdisplay/cfag12864b.c | 4
drivers/auxdisplay/cfag12864bfb.c | 4
drivers/auxdisplay/ks0108.c | 4
drivers/base/memory.c | 35
drivers/block/zram/zram_drv.c | 2
drivers/hv/hv_balloon.c | 2
drivers/virtio/virtio_mem.c | 43
drivers/xen/balloon.c | 2
fs/coredump.c | 4
fs/iomap/seek.c | 125 --
fs/proc/base.c | 21
fs/proc/proc_sysctl.c | 4
include/linux/bitops.h | 2
include/linux/cfag12864b.h | 2
include/linux/cred.h | 2
include/linux/fortify-string.h | 302 ++++++
include/linux/gfp.h | 2
include/linux/init.h | 4
include/linux/kasan.h | 25
include/linux/kfence.h | 230 +++++
include/linux/kgdb.h | 2
include/linux/khugepaged.h | 2
include/linux/ks0108.h | 2
include/linux/mdev.h | 2
include/linux/memory.h | 3
include/linux/memory_hotplug.h | 33
include/linux/memremap.h | 6
include/linux/mmzone.h | 49 -
include/linux/page-flags.h | 4
include/linux/pagemap.h | 10
include/linux/pagevec.h | 10
include/linux/pgtable.h | 8
include/linux/ptrace.h | 2
include/linux/rmap.h | 3
include/linux/slab_def.h | 3
include/linux/slub_def.h | 3
include/linux/stackdepot.h | 9
include/linux/string.h | 282 ------
include/linux/vmstat.h | 6
include/linux/zpool.h | 3
include/linux/zsmalloc.h | 2
include/trace/events/error_report.h | 74 +
include/uapi/linux/firewire-cdev.h | 2
include/uapi/linux/input.h | 2
init/Kconfig | 2
init/initramfs.c | 19
init/main.c | 6
init/version.c | 8
kernel/debug/debug_core.c | 11
kernel/events/core.c | 8
kernel/events/uprobes.c | 2
kernel/groups.c | 7
kernel/locking/rtmutex.c | 4
kernel/locking/rwsem.c | 2
kernel/locking/semaphore.c | 2
kernel/sched/fair.c | 2
kernel/sched/membarrier.c | 2
kernel/sysctl.c | 8
kernel/trace/Makefile | 1
kernel/trace/error_report-traces.c | 12
lib/Kconfig | 9
lib/Kconfig.debug | 1
lib/Kconfig.kfence | 84 +
lib/Kconfig.ubsan | 17
lib/cmdline.c | 7
lib/genalloc.c | 3
lib/stackdepot.c | 41
lib/test_kasan.c | 111 ++
lib/test_ubsan.c | 49 -
lib/ubsan.c | 68 -
mm/Makefile | 1
mm/backing-dev.c | 3
mm/cma.c | 64 -
mm/dmapool.c | 3
mm/early_ioremap.c | 12
mm/filemap.c | 361 +++++---
mm/huge_memory.c | 6
mm/internal.h | 6
mm/kasan/common.c | 213 +++-
mm/kasan/generic.c | 3
mm/kasan/hw_tags.c | 2
mm/kasan/kasan.h | 97 +-
mm/kasan/report.c | 8
mm/kasan/shadow.c | 78 +
mm/kfence/Makefile | 6
mm/kfence/core.c | 875 +++++++++++++++++++-
mm/kfence/kfence.h | 126 ++
mm/kfence/kfence_test.c | 860 +++++++++++++++++++
mm/kfence/report.c | 350 ++++++--
mm/khugepaged.c | 22
mm/memory-failure.c | 6
mm/memory.c | 4
mm/memory_hotplug.c | 178 +++-
mm/memremap.c | 23
mm/mlock.c | 2
mm/page_alloc.c | 1
mm/rmap.c | 24
mm/shmem.c | 160 +--
mm/slab.c | 38
mm/slab_common.c | 29
mm/slub.c | 63 +
mm/swap.c | 54 -
mm/swap_state.c | 7
mm/truncate.c | 141 ---
mm/vmstat.c | 35
mm/z3fold.c | 1
mm/zbud.c | 1
mm/zpool.c | 13
mm/zsmalloc.c | 22
mm/zswap.c | 57 +
samples/auxdisplay/cfag12864b-example.c | 2
scripts/Makefile.ubsan | 2
scripts/checkpatch.pl | 152 ++-
scripts/gdb/linux/lists.py | 5
145 files changed, 5046 insertions(+), 1682 deletions(-)
