Merge branch 'akpm' (patches from Andrew)

Merge second patchbomb from Andrew Morton:

 - most of the rest of MM

 - lots of misc things

 - procfs updates

 - printk feature work

 - updates to get_maintainer, MAINTAINERS, checkpatch

 - lib/ updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (96 commits)
  exit,stats: /* obey this comment */
  coredump: add __printf attribute to cn_*printf functions
  coredump: use from_kuid/kgid when formatting corename
  fs/reiserfs: remove unneeded cast
  NILFS2: support NFSv2 export
  fs/befs/btree.c: remove unneeded initializations
  fs/minix: remove unneeded cast
  init/do_mounts.c: add create_dev() failure log
  kasan: remove duplicate definition of the macro KASAN_FREE_PAGE
  fs/efs: femove unneeded cast
  checkpatch: emit "NOTE: <types>" message only once after multiple files
  checkpatch: emit an error when there's a diff in a changelog
  checkpatch: validate MODULE_LICENSE content
  checkpatch: add multi-line handling for PREFER_ETHER_ADDR_COPY
  checkpatch: suggest using eth_zero_addr() and eth_broadcast_addr()
  checkpatch: fix processing of MEMSET issues
  checkpatch: suggest using ether_addr_equal*()
  checkpatch: avoid NOT_UNIFIED_DIFF errors on cover-letter.patch files
  checkpatch: remove local from codespell path
  checkpatch: add --showfile to allow input via pipe to show filenames
  ...

diff --cc MAINTAINERS
Simple merge

diff --cc fs/ext4/super.c
index a7b4b6e1026920823a149b2f124371cba092e387,5f3c43a66937c96cef34ae091f4eb0137bb2c78c..5c787647afe2a3817dfbf49949e195218199c8f6
--- 1/fs/ext4/super.c
--- 2/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@@ -3475,10 -3448,14 +3474,9 @@@ static int ext4_fill_super(struct super
        if (sb->s_bdev->bd_part)
                sbi->s_sectors_written_start =
                        part_stat_read(sb->s_bdev->bd_part, sectors[1]);
 -#ifdef CONFIG_EXT4_FS_ENCRYPTION
 -      /* Modes of operations for file and directory encryption. */
 -      sbi->s_file_encryption_mode = EXT4_ENCRYPTION_MODE_AES_256_XTS;
 -      sbi->s_dir_encryption_mode = EXT4_ENCRYPTION_MODE_INVALID;
 -#endif
  
        /* Cleanup superblock name */
-       for (cp = sb->s_id; (cp = strchr(cp, '/'));)
-               *cp = '!';
+       strreplace(sb->s_id, '/', '!');
  
        /* -EINVAL is default */
        ret = -EINVAL;

diff --cc fs/jbd2/journal.c
Simple merge

diff --cc fs/reiserfs/super.c
Simple merge

diff --cc init/Kconfig
Simple merge