Revision a25fddced835ae53d18eb4bddabd719b4cebf624 authored by Miaohe Lin on 24 February 2021, 20:10:14 UTC, committed by Linus Torvalds on 24 February 2021, 21:38:35 UTC
The calculation 1U << (h->order + PAGE_SHIFT - 10) is actually equal to (PAGE_SHIFT << (h->order)) >> 10. So we can make it more readable by replace it with huge_page_size(h) >> 10. Link: https://lkml.kernel.org/r/20210122083141.24548-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 88ce3fe
stackusage
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
outfile=""
now=`date +%s`
while [ $# -gt 0 ]
do
case "$1" in
-o)
outfile="$2"
shift 2;;
-h)
echo "usage: $0 [-o outfile] <make options/args>"
exit 0;;
*) break;;
esac
done
if [ -z "$outfile" ]
then
outfile=`mktemp --tmpdir stackusage.$$.XXXX`
fi
KCFLAGS="${KCFLAGS} -fstack-usage" make "$@"
# Prepend directory name to file names, remove column information,
# make file:line/function/size/type properly tab-separated.
find . -name '*.su' -newermt "@${now}" -print | \
xargs perl -MFile::Basename -pe \
'$d = dirname($ARGV); s#([^:]+:[0-9]+):[0-9]+:#$d/$1\t#;' | \
sort -k3,3nr > "${outfile}"
echo "$0: output written to ${outfile}"
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