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4f19048fd0
Based on 1 normalized pattern(s): licensed under the terms of the gnu gpl license version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 62 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.929121379@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
87 lines
1.7 KiB
Bash
Executable File
87 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0-only
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# Translate the bits making up a GFP mask
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# (c) 2009, Mel Gorman <mel@csn.ul.ie>
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SOURCE=
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GFPMASK=none
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# Helper function to report failures and exit
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die() {
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echo ERROR: $@
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if [ "$TMPFILE" != "" ]; then
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rm -f $TMPFILE
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fi
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exit -1
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}
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usage() {
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echo "usage: gfp-translate [-h] [ --source DIRECTORY ] gfpmask"
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exit 0
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}
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# Parse command-line arguments
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while [ $# -gt 0 ]; do
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case $1 in
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--source)
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SOURCE=$2
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shift 2
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;;
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-h)
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usage
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;;
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--help)
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usage
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;;
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*)
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GFPMASK=$1
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shift
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;;
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esac
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done
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# Guess the kernel source directory if it's not set. Preference is in order of
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# o current directory
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# o /usr/src/linux
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if [ "$SOURCE" = "" ]; then
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if [ -r "/usr/src/linux/Makefile" ]; then
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SOURCE=/usr/src/linux
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fi
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if [ -r "`pwd`/Makefile" ]; then
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SOURCE=`pwd`
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fi
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fi
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# Confirm that a source directory exists
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if [ ! -r "$SOURCE/Makefile" ]; then
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die "Could not locate kernel source directory or it is invalid"
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fi
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# Confirm that a GFP mask has been specified
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if [ "$GFPMASK" = "none" ]; then
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usage
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fi
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# Extract GFP flags from the kernel source
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TMPFILE=`mktemp -t gfptranslate-XXXXXX` || exit 1
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grep -q ___GFP $SOURCE/include/linux/gfp.h
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if [ $? -eq 0 ]; then
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grep "^#define ___GFP" $SOURCE/include/linux/gfp.h | sed -e 's/u$//' | grep -v GFP_BITS > $TMPFILE
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else
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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
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fi
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# Parse the flags
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IFS="
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"
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echo Source: $SOURCE
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echo Parsing: $GFPMASK
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for LINE in `cat $TMPFILE`; do
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MASK=`echo $LINE | awk '{print $3}'`
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if [ $(($GFPMASK&$MASK)) -ne 0 ]; then
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echo $LINE
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fi
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done
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rm -f $TMPFILE
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exit 0
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