33 lines
735 B
Bash
Executable File
33 lines
735 B
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (c) 2021 Yang Xu <xuyang2018.jy@fujitsu.com>
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# Copyright (c) 2021 Petr Vorel <pvorel@suse.cz>
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tconf()
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{
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echo "TCONF: $1"
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exit 32
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}
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echo "Testing .request_hugepages = TST_NO_HUGEPAGES"
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orig_value=`cat /proc/sys/vm/nr_hugepages`
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if grep -q -E '^proc /proc(/sys)? proc ro' /proc/mounts; then
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tconf "/proc or /proc/sys mounted as read-only"
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fi
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if [ ! -f /proc/sys/vm/nr_hugepages ]; then
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tconf "/proc/sys/vm/nr_hugepages does not exist"
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fi
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if [ ! -w /proc/sys/vm/nr_hugepages ]; then
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tconf "no write permission to /proc/sys/vm/nr_hugepages (run as root)"
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fi
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echo 4 > /proc/sys/vm/nr_hugepages
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./test_zero_hugepage
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echo $orig_value > /proc/sys/vm/nr_hugepages
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