Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:
 "190 patches.

  Subsystems affected by this patch series: mm (hugetlb, userfaultfd,
  vmscan, kconfig, proc, z3fold, zbud, ras, mempolicy, memblock,
  migration, thp, nommu, kconfig, madvise, memory-hotplug, zswap,
  zsmalloc, zram, cleanups, kfence, and hmm), procfs, sysctl, misc,
  core-kernel, lib, lz4, checkpatch, init, kprobes, nilfs2, hfs,
  signals, exec, kcov, selftests, compress/decompress, and ipc"

* emailed patches from Andrew Morton <[email protected]>: (190 commits)
  ipc/util.c: use binary search for max_idx
  ipc/sem.c: use READ_ONCE()/WRITE_ONCE() for use_global_lock
  ipc: use kmalloc for msg_queue and shmid_kernel
  ipc sem: use kvmalloc for sem_undo allocation
  lib/decompressors: remove set but not used variabled 'level'
  selftests/vm/pkeys: exercise x86 XSAVE init state
  selftests/vm/pkeys: refill shadow register after implicit kernel write
  selftests/vm/pkeys: handle negative sys_pkey_alloc() return code
  selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
  kcov: add __no_sanitize_coverage to fix noinstr for all architectures
  exec: remove checks in __register_bimfmt()
  x86: signal: don't do sas_ss_reset() until we are certain that sigframe won't be abandoned
  hfsplus: report create_date to kstat.btime
  hfsplus: remove unnecessary oom message
  nilfs2: remove redundant continue statement in a while-loop
  kprobes: remove duplicated strong free_insn_page in x86 and s390
  init: print out unknown kernel parameters
  checkpatch: do not complain about positive return values starting with EPOLL
  checkpatch: improve the indented label test
  checkpatch: scripts/spdxcheck.py now requires python3
  ...

diff --cc Documentation/admin-guide/kernel-parameters.txt
Simple merge

diff --cc MAINTAINERS
Simple merge

diff --cc arch/arm/Kconfig
Simple merge

diff --cc arch/arm64/Kconfig
Simple merge

diff --cc arch/arm64/include/asm/memory.h
Simple merge

diff --cc arch/arm64/include/asm/page.h
Simple merge

diff --cc arch/arm64/include/asm/pgtable.h
Simple merge

diff --cc arch/arm64/kernel/setup.c
Simple merge

diff --cc arch/arm64/kvm/mmu.c
Simple merge

diff --cc arch/arm64/mm/init.c
Simple merge

diff --cc arch/arm64/mm/mmu.c
Simple merge

diff --cc arch/mips/Kconfig
Simple merge

diff --cc arch/mips/include/asm/pgalloc.h
Simple merge

diff --cc arch/s390/Kconfig
Simple merge

diff --cc arch/s390/kernel/kprobes.c
Simple merge

diff --cc arch/x86/Kconfig
Simple merge

diff --cc arch/x86/include/asm/desc.h
Simple merge

diff --cc arch/x86/kernel/cpu/mshyperv.c
Simple merge

diff --cc arch/x86/kernel/kprobes/core.c
Simple merge

diff --cc arch/x86/kernel/setup.c
Simple merge

diff --cc drivers/block/zram/zram_drv.h
index 74c411911b6eacc82cd32c69523b3886b14034dc,6e73dc3c276903e07ba06b7d8845e2df30b2f10d..80c3b43b4828fa553a1daaf0403e2c4776ddc3f3
--- 1/drivers/block/zram/zram_drv.h
--- 2/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@@ -112,9 -112,9 +112,9 @@@ struct zram 
        /*
         * zram is claimed so open request will be failed
         */
 -      bool claim; /* Protected by bdev->bd_mutex */
 +      bool claim; /* Protected by disk->open_mutex */
-       struct file *backing_dev;
  #ifdef CONFIG_ZRAM_WRITEBACK
+       struct file *backing_dev;
        spinlock_t wb_limit_lock;
        bool wb_limit_enable;
        u64 bd_wb_limit;

diff --cc drivers/clk/analogbits/wrpll-cln28hpc.c
Simple merge

diff --cc drivers/net/ipa/ipa_smp2p.c
Simple merge

diff --cc fs/exec.c
Simple merge

diff --cc fs/open.c
Simple merge

diff --cc fs/userfaultfd.c
Simple merge

diff --cc include/asm-generic/bug.h
Simple merge

diff --cc include/linux/compiler_types.h
index d509169860f1269b8e8605975f72c0a5e9b7cfd5,cc2bee7f097776b5eed49faba902c58399f49e15..e4ea86fc584d638f1b15131dcf71c2623c5501e3
--- 1/include/linux/compiler_types.h
--- 2/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@@ -210,7 -210,7 +210,7 @@@ struct ftrace_likely_data 
  /* Section for code which can't be instrumented at all */
  #define noinstr                                                               \
        noinline notrace __attribute((__section__(".noinstr.text")))    \
-       __no_kcsan __no_sanitize_address __no_profile
 -      __no_kcsan __no_sanitize_address __no_sanitize_coverage
++      __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage
  
  #endif /* __KERNEL__ */
  

diff --cc include/linux/hugetlb.h
Simple merge

diff --cc include/linux/kernel.h
index f2ad8a53f71f896da7ee4aae0e8ba776bb2688cc,7bb0a5cb7d57fdef251e00225639a54827097ad7..1b2f0a7e00d688b875ec94d8e93bf9206e697a86
--- 1/include/linux/kernel.h
--- 2/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@@ -71,20 -73,7 +73,19 @@@
   */
  #define lower_32_bits(n) ((u32)((n) & 0xffffffff))
  
 +/**
 + * upper_16_bits - return bits 16-31 of a number
 + * @n: the number we're accessing
 + */
 +#define upper_16_bits(n) ((u16)((n) >> 16))
 +
 +/**
 + * lower_16_bits - return bits 0-15 of a number
 + * @n: the number we're accessing
 + */
 +#define lower_16_bits(n) ((u16)((n) & 0xffff))
 +
  struct completion;
- struct pt_regs;
  struct user;
  
  #ifdef CONFIG_PREEMPT_VOLUNTARY

diff --cc include/linux/kprobes.h
Simple merge

diff --cc include/linux/mm.h
Simple merge

diff --cc include/linux/mm_types.h
Simple merge

diff --cc include/linux/page-flags.h
Simple merge

diff --cc include/linux/shmem_fs.h
Simple merge

diff --cc init/main.c
Simple merge

diff --cc ipc/shm.c
Simple merge

diff --cc kernel/hung_task.c
Simple merge

diff --cc kernel/kprobes.c
Simple merge

diff --cc kernel/signal.c
Simple merge

diff --cc kernel/sysctl.c
Simple merge

diff --cc lib/Kconfig.debug
Simple merge

diff --cc lib/kstrtox.c
Simple merge

diff --cc lib/vsprintf.c
index e5c7afbf7405fcf5064f8b232c6e5943fd63757f,30e1bc22105cf15254600446f89d5e04d8ebc9d8..2926cc27623f414a197a772e2481e4c45d0d7202
--- 1/lib/vsprintf.c
--- 2/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@@ -86,9 -61,21 +86,10 @@@ static unsigned long long simple_strnto
   *
   * This function has caveats. Please use kstrtoull instead.
   */
+ noinline
  unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base)
  {
 -      unsigned long long result;
 -      unsigned int rv;
 -
 -      cp = _parse_integer_fixup_radix(cp, &base);
 -      rv = _parse_integer(cp, base, &result);
 -      /* FIXME */
 -      cp += (rv & ~KSTRTOX_OVERFLOW);
 -
 -      if (endp)
 -              *endp = (char *)cp;
 -
 -      return result;
 +      return simple_strntoull(cp, INT_MAX, endp, base);
  }
  EXPORT_SYMBOL(simple_strtoull);
  

diff --cc mm/compaction.c
Simple merge

diff --cc mm/memcontrol.c
Simple merge

diff --cc mm/mlock.c
Simple merge

diff --cc mm/page_alloc.c
Simple merge

diff --cc mm/shmem.c
Simple merge