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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-17 06:50:13 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-17 06:50:13 +0400 |
commit | 517d08699b250021303f9a7cf0d758b6dc0748ed (patch) | |
tree | 5e5b0134c3fffb78fe9d8b1641a64ff28fdd7bbc /scripts/gfp-translate | |
parent | 8eeee4e2f04fc551f50c9d9847da2d73d7d33728 (diff) | |
parent | a34601c5d84134055782ee031d58d82f5440e918 (diff) | |
download | linux-517d08699b250021303f9a7cf0d758b6dc0748ed.tar.xz |
Merge branch 'akpm'
* akpm: (182 commits)
fbdev: bf54x-lq043fb: use kzalloc over kmalloc/memset
fbdev: *bfin*: fix __dev{init,exit} markings
fbdev: *bfin*: drop unnecessary calls to memset
fbdev: bfin-t350mcqb-fb: drop unused local variables
fbdev: blackfin has __raw I/O accessors, so use them in fb.h
fbdev: s1d13xxxfb: add accelerated bitblt functions
tcx: use standard fields for framebuffer physical address and length
fbdev: add support for handoff from firmware to hw framebuffers
intelfb: fix a bug when changing video timing
fbdev: use framebuffer_release() for freeing fb_info structures
radeon: P2G2CLK_ALWAYS_ONb tested twice, should 2nd be P2G2CLK_DAC_ALWAYS_ONb?
s3c-fb: CPUFREQ frequency scaling support
s3c-fb: fix resource releasing on error during probing
carminefb: fix possible access beyond end of carmine_modedb[]
acornfb: remove fb_mmap function
mb862xxfb: use CONFIG_OF instead of CONFIG_PPC_OF
mb862xxfb: restrict compliation of platform driver to PPC
Samsung SoC Framebuffer driver: add Alpha Channel support
atmel-lcdc: fix pixclock upper bound detection
offb: use framebuffer_alloc() to allocate fb_info struct
...
Manually fix up conflicts due to kmemcheck in mm/slab.c
Diffstat (limited to 'scripts/gfp-translate')
-rw-r--r-- | scripts/gfp-translate | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/scripts/gfp-translate b/scripts/gfp-translate new file mode 100644 index 000000000000..073cb6d152a0 --- /dev/null +++ b/scripts/gfp-translate @@ -0,0 +1,81 @@ +#!/bin/bash +# Translate the bits making up a GFP mask +# (c) 2009, Mel Gorman <mel@csn.ul.ie> +# Licensed under the terms of the GNU GPL License version 2 +SOURCE= +GFPMASK=none + +# Helper function to report failures and exit +die() { + echo ERROR: $@ + if [ "$TMPFILE" != "" ]; then + rm -f $TMPFILE + fi + exit -1 +} + +usage() { + echo "usage: gfp-translate [-h] [ --source DIRECTORY ] gfpmask" + exit 0 +} + +# Parse command-line arguements +while [ $# -gt 0 ]; do + case $1 in + --source) + SOURCE=$2 + shift 2 + ;; + -h) + usage + ;; + --help) + usage + ;; + *) + GFPMASK=$1 + shift + ;; + esac +done + +# Guess the kernel source directory if it's not set. Preference is in order of +# o current directory +# o /usr/src/linux +if [ "$SOURCE" = "" ]; then + if [ -r "/usr/src/linux/Makefile" ]; then + SOURCE=/usr/src/linux + fi + if [ -r "`pwd`/Makefile" ]; then + SOURCE=`pwd` + fi +fi + +# Confirm that a source directory exists +if [ ! -r "$SOURCE/Makefile" ]; then + die "Could not locate kernel source directory or it is invalid" +fi + +# Confirm that a GFP mask has been specified +if [ "$GFPMASK" = "none" ]; then + usage +fi + +# Extract GFP flags from the kernel source +TMPFILE=`mktemp -t gfptranslate-XXXXXX` || exit 1 +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 + +# Parse the flags +IFS=" +" +echo Source: $SOURCE +echo Parsing: $GFPMASK +for LINE in `cat $TMPFILE`; do + MASK=`echo $LINE | awk '{print $3}'` + if [ $(($GFPMASK&$MASK)) -ne 0 ]; then + echo $LINE + fi +done + +rm -f $TMPFILE +exit 0 |