Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:
 "There is no particular theme here - mainly quick hits all over the
  tree.

  Most notable is a set of zlib changes from Mikhail Zaslonko which
  enhances and fixes zlib's use of S390 hardware support: 'lib/zlib: Set
  of s390 DFLTCC related patches for kernel zlib'"

* tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (55 commits)
  Update CREDITS file entry for Jesper Juhl
  sparc: allow PM configs for sparc32 COMPILE_TEST
  hung_task: print message when hung_task_warnings gets down to zero.
  arch/Kconfig: fix indentation
  scripts/tags.sh: fix the Kconfig tags generation when using latest ctags
  nilfs2: prevent WARNING in nilfs_dat_commit_end()
  lib/zlib: remove redundation assignement of avail_in dfltcc_gdht()
  lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default
  lib/zlib: DFLTCC always switch to software inflate for Z_PACKET_FLUSH option
  lib/zlib: DFLTCC support inflate with small window
  lib/zlib: Split deflate and inflate states for DFLTCC
  lib/zlib: DFLTCC not writing header bits when avail_out == 0
  lib/zlib: fix DFLTCC ignoring flush modes when avail_in == 0
  lib/zlib: fix DFLTCC not flushing EOBS when creating raw streams
  lib/zlib: implement switching between DFLTCC and software
  lib/zlib: adjust offset calculation for dfltcc_state
  nilfs2: replace WARN_ONs for invalid DAT metadata block requests
  scripts/spelling.txt: add "exsits" pattern and fix typo instances
  fs: gracefully handle ->get_block not mapping bh in __mpage_writepage
  cramfs: Kconfig: fix spelling & punctuation
  ...

1 files changed, 32 insertions, 6 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 78cc595b98ce..bd44d12965c9 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -823,7 +823,9 @@ our %deprecated_apis = (
 	"get_state_synchronize_sched"		=> "get_state_synchronize_rcu",
 	"cond_synchronize_sched"		=> "cond_synchronize_rcu",
 	"kmap"					=> "kmap_local_page",
+	"kunmap"				=> "kunmap_local",
 	"kmap_atomic"				=> "kmap_local_page",
+	"kunmap_atomic"				=> "kunmap_local",
 );
 
 #Create a search pattern for all these strings to speed up a loop below
@@ -3142,21 +3144,33 @@ sub process {
 			if ($sign_off =~ /^co-developed-by:$/i) {
 				if ($email eq $author) {
 					WARN("BAD_SIGN_OFF",
-					      "Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . "$here\n" . $rawline);
+					      "Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . $herecurr);
 				}
 				if (!defined $lines[$linenr]) {
 					WARN("BAD_SIGN_OFF",
-					     "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline);
-				} elsif ($rawlines[$linenr] !~ /^\s*signed-off-by:\s*(.*)/i) {
+					     "Co-developed-by: must be immediately followed by Signed-off-by:\n" . $herecurr);
+				} elsif ($rawlines[$linenr] !~ /^signed-off-by:\s*(.*)/i) {
 					WARN("BAD_SIGN_OFF",
-					     "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline . "\n" .$rawlines[$linenr]);
+					     "Co-developed-by: must be immediately followed by Signed-off-by:\n" . $herecurr . $rawlines[$linenr] . "\n");
 				} elsif ($1 ne $email) {
 					WARN("BAD_SIGN_OFF",
-					     "Co-developed-by and Signed-off-by: name/email do not match \n" . "$here\n" . $rawline . "\n" .$rawlines[$linenr]);
+					     "Co-developed-by and Signed-off-by: name/email do not match\n" . $herecurr . $rawlines[$linenr] . "\n");
+				}
+			}
+
+# check if Reported-by: is followed by a Link:
+			if ($sign_off =~ /^reported(?:|-and-tested)-by:$/i) {
+				if (!defined $lines[$linenr]) {
+					WARN("BAD_REPORTED_BY_LINK",
+					     "Reported-by: should be immediately followed by Link: to the report\n" . $herecurr . $rawlines[$linenr] . "\n");
+				} elsif ($rawlines[$linenr] !~ m{^link:\s*https?://}i) {
+					WARN("BAD_REPORTED_BY_LINK",
+					     "Reported-by: should be immediately followed by Link: with a URL to the report\n" . $herecurr . $rawlines[$linenr] . "\n");
 				}
 			}
 		}
 
+
 # Check Fixes: styles is correct
 		if (!$in_header_lines &&
 		    $line =~ /^\s*fixes:?\s*(?:commit\s*)?[0-9a-f]{5,}\b/i) {
@@ -3250,6 +3264,18 @@ sub process {
 			$commit_log_possible_stack_dump = 0;
 		}
 
+# Check for odd tags before a URI/URL
+		if ($in_commit_log &&
+		    $line =~ /^\s*(\w+):\s*http/ && $1 ne 'Link') {
+			if ($1 =~ /^v(?:ersion)?\d+/i) {
+				WARN("COMMIT_LOG_VERSIONING",
+				     "Patch version information should be after the --- line\n" . $herecurr);
+			} else {
+				WARN("COMMIT_LOG_USE_LINK",
+				     "Unknown link reference '$1:', use 'Link:' instead\n" . $herecurr);
+			}
+		}
+
 # Check for lines starting with a #
 		if ($in_commit_log && $line =~ /^#/) {
 			if (WARN("COMMIT_COMMENT_SYMBOL",
@@ -3725,7 +3751,7 @@ sub process {
 		}
 
 # check for embedded filenames
-		if ($rawline =~ /^\+.*\Q$realfile\E/) {
+		if ($rawline =~ /^\+.*\b\Q$realfile\E\b/) {
 			WARN("EMBEDDED_FILENAME",
 			     "It's generally not useful to have the filename in the file\n" . $herecurr);
 		}