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Source at commit fbf123cd4cc0c097fe9a99c90109ebb2a5e94a50 created 10 years 3 months ago. By Lars-Peter Clausen, dma: jz4740: Dequeue descriptor from active list before completing it | |
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1 | #!/bin/bash |
2 | # Translate the bits making up a GFP mask |
3 | # (c) 2009, Mel Gorman <mel@csn.ul.ie> |
4 | # Licensed under the terms of the GNU GPL License version 2 |
5 | SOURCE= |
6 | GFPMASK=none |
7 | |
8 | # Helper function to report failures and exit |
9 | die() { |
10 | echo ERROR: $@ |
11 | if [ "$TMPFILE" != "" ]; then |
12 | rm -f $TMPFILE |
13 | fi |
14 | exit -1 |
15 | } |
16 | |
17 | usage() { |
18 | echo "usage: gfp-translate [-h] [ --source DIRECTORY ] gfpmask" |
19 | exit 0 |
20 | } |
21 | |
22 | # Parse command-line arguments |
23 | while [ $# -gt 0 ]; do |
24 | case $1 in |
25 | --source) |
26 | SOURCE=$2 |
27 | shift 2 |
28 | ;; |
29 | -h) |
30 | usage |
31 | ;; |
32 | --help) |
33 | usage |
34 | ;; |
35 | *) |
36 | GFPMASK=$1 |
37 | shift |
38 | ;; |
39 | esac |
40 | done |
41 | |
42 | # Guess the kernel source directory if it's not set. Preference is in order of |
43 | # o current directory |
44 | # o /usr/src/linux |
45 | if [ "$SOURCE" = "" ]; then |
46 | if [ -r "/usr/src/linux/Makefile" ]; then |
47 | SOURCE=/usr/src/linux |
48 | fi |
49 | if [ -r "`pwd`/Makefile" ]; then |
50 | SOURCE=`pwd` |
51 | fi |
52 | fi |
53 | |
54 | # Confirm that a source directory exists |
55 | if [ ! -r "$SOURCE/Makefile" ]; then |
56 | die "Could not locate kernel source directory or it is invalid" |
57 | fi |
58 | |
59 | # Confirm that a GFP mask has been specified |
60 | if [ "$GFPMASK" = "none" ]; then |
61 | usage |
62 | fi |
63 | |
64 | # Extract GFP flags from the kernel source |
65 | TMPFILE=`mktemp -t gfptranslate-XXXXXX` || exit 1 |
66 | grep -q ___GFP $SOURCE/include/linux/gfp.h |
67 | if [ $? -eq 0 ]; then |
68 | grep "^#define ___GFP" $SOURCE/include/linux/gfp.h | sed -e 's/u$//' | grep -v GFP_BITS > $TMPFILE |
69 | else |
70 | grep "^#define __GFP" $SOURCE/include/linux/gfp.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE |
71 | fi |
72 | |
73 | # Parse the flags |
74 | IFS=" |
75 | " |
76 | echo Source: $SOURCE |
77 | echo Parsing: $GFPMASK |
78 | for LINE in `cat $TMPFILE`; do |
79 | MASK=`echo $LINE | awk '{print $3}'` |
80 | if [ $(($GFPMASK&$MASK)) -ne 0 ]; then |
81 | echo $LINE |
82 | fi |
83 | done |
84 | |
85 | rm -f $TMPFILE |
86 | exit 0 |
87 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9