Merge branch 'akpm' (patches from Andrew)

Merge updates from Andrew Morton:

 - fsnotify fix

 - poll() timeout fix

 - a few scripts/ tweaks

 - debugobjects updates

 - the (small) ocfs2 queue

 - Minor fixes to kernel/padata.c

 - Maybe half of the MM queue

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits)
  mm, page_alloc: restore the original nodemask if the fast path allocation failed
  mm, page_alloc: uninline the bad page part of check_new_page()
  mm, page_alloc: don't duplicate code in free_pcp_prepare
  mm, page_alloc: defer debugging checks of pages allocated from the PCP
  mm, page_alloc: defer debugging checks of freed pages until a PCP drain
  cpuset: use static key better and convert to new API
  mm, page_alloc: inline pageblock lookup in page free fast paths
  mm, page_alloc: remove unnecessary variable from free_pcppages_bulk
  mm, page_alloc: pull out side effects from free_pages_check
  mm, page_alloc: un-inline the bad part of free_pages_check
  mm, page_alloc: check multiple page fields with a single branch
  mm, page_alloc: remove field from alloc_context
  mm, page_alloc: avoid looking up the first zone in a zonelist twice
  mm, page_alloc: shortcut watermark checks for order-0 pages
  mm, page_alloc: reduce cost of fair zone allocation policy retry
  mm, page_alloc: shorten the page allocator fast path
  mm, page_alloc: check once if a zone has isolated pageblocks
  mm, page_alloc: move __GFP_HARDWALL modifications out of the fastpath
  mm, page_alloc: simplify last cpupid reset
  mm, page_alloc: remove unnecessary initialisation from __alloc_pages_nodemask()
  ...

3 files changed, 46 insertions, 16 deletions

diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 38b64f487315..0254f3ba0dba 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -32,18 +32,21 @@ old = getsizes(sys.argv[1])
 new = getsizes(sys.argv[2])
 grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0
 delta, common = [], {}
+otot, ntot = 0, 0
 
 for a in old:
     if a in new:
         common[a] = 1
 
 for name in old:
+    otot += old[name]
     if name not in common:
         remove += 1
         down += old[name]
         delta.append((-old[name], name))
 
 for name in new:
+    ntot += new[name]
     if name not in common:
         add += 1
         up += new[name]
@@ -63,3 +66,6 @@ print("add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
 print("%-40s %7s %7s %+7s" % ("function", "old", "new", "delta"))
 for d, n in delta:
     if d: print("%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d))
+
+print("Total: Before=%d, After=%d, chg %f%%" % \
+    (otot, ntot, (ntot - otot)*100/otot))
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 00d6d53c2681..c332684e1b5a 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -2,15 +2,17 @@
 # (c) 2014, Sasha Levin <sasha.levin@oracle.com>
 #set -x
 
-if [[ $# != 2 ]]; then
+if [[ $# < 2 ]]; then
 	echo "Usage:"
-	echo "	$0 [vmlinux] [base path]"
+	echo "	$0 [vmlinux] [base path] [modules path]"
 	exit 1
 fi
 
 vmlinux=$1
 basepath=$2
+modpath=$3
 declare -A cache
+declare -A modcache
 
 parse_symbol() {
 	# The structure of symbol at this point is:
@@ -19,6 +21,17 @@ parse_symbol() {
 	# For example:
 	#   do_basic_setup+0x9c/0xbf
 
+	if [[ $module == "" ]] ; then
+		local objfile=$vmlinux
+	elif [[ "${modcache[$module]+isset}" == "isset" ]]; then
+		local objfile=${modcache[$module]}
+	else
+		[[ $modpath == "" ]] && return
+		local objfile=$(find "$modpath" -name $module.ko -print -quit)
+		[[ $objfile == "" ]] && return
+		modcache[$module]=$objfile
+	fi
+
 	# Remove the englobing parenthesis
 	symbol=${symbol#\(}
 	symbol=${symbol%\)}
@@ -29,11 +42,11 @@ parse_symbol() {
 	# Use 'nm vmlinux' to figure out the base address of said symbol.
 	# It's actually faster to call it every time than to load it
 	# all into bash.
-	if [[ "${cache[$name]+isset}" == "isset" ]]; then
-		local base_addr=${cache[$name]}
+	if [[ "${cache[$module,$name]+isset}" == "isset" ]]; then
+		local base_addr=${cache[$module,$name]}
 	else
-		local base_addr=$(nm "$vmlinux" | grep -i ' t ' | awk "/ $name\$/ {print \$1}" | head -n1)
-		cache["$name"]="$base_addr"
+		local base_addr=$(nm "$objfile" | grep -i ' t ' | awk "/ $name\$/ {print \$1}" | head -n1)
+		cache[$module,$name]="$base_addr"
 	fi
 	# Let's start doing the math to get the exact address into the
 	# symbol. First, strip out the symbol total length.
@@ -48,12 +61,12 @@ parse_symbol() {
 	local address=$(printf "%x\n" "$expr")
 
 	# Pass it to addr2line to get filename and line number
-        # Could get more than one result
-	if [[ "${cache[$address]+isset}" == "isset" ]]; then
-		local code=${cache[$address]}
+	# Could get more than one result
+	if [[ "${cache[$module,$address]+isset}" == "isset" ]]; then
+		local code=${cache[$module,$address]}
 	else
-		local code=$(addr2line -i -e "$vmlinux" "$address")
-		cache[$address]=$code
+		local code=$(addr2line -i -e "$objfile" "$address")
+		cache[$module,$address]=$code
 	fi
 
 	# addr2line doesn't return a proper error code if it fails, so
@@ -105,13 +118,23 @@ handle_line() {
 		fi
 	done
 
-	# The symbol is the last element, process it
-	symbol=${words[$last]}
+	if [[ ${words[$last]} =~ \[([^]]+)\] ]]; then
+		module=${words[$last]}
+		module=${module#\[}
+		module=${module%\]}
+		symbol=${words[$last-1]}
+		unset words[$last-1]
+	else
+		# The symbol is the last element, process it
+		symbol=${words[$last]}
+		module=
+	fi
+
 	unset words[$last]
 	parse_symbol # modifies $symbol
 
 	# Add up the line number to the symbol
-	echo "${words[@]}" "$symbol"
+	echo "${words[@]}" "$symbol $module"
 }
 
 while read line; do
@@ -121,8 +144,8 @@ while read line; do
 		handle_line "$line"
 	# Is it a code line?
 	elif [[ $line == *Code:* ]]; then
-                decode_code "$line"
-        else
+		decode_code "$line"
+	else
 		# Nothing special in this line, show it as is
 		echo "$line"
 	fi
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 946caf3bd694..fa79c6d2a5b8 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -428,6 +428,7 @@ feautures||features
 fetaure||feature
 fetaures||features
 fileystem||filesystem
+fimware||firmware
 finanize||finalize
 findn||find
 finilizes||finalizes