1f08c3bdfSopenharmony_ci#!/bin/sh 2f08c3bdfSopenharmony_ci# SPDX-License-Identifier: GPL-2.0-or-later 3f08c3bdfSopenharmony_ci# Copyright (c) 2021 Yang Xu <xuyang2018.jy@fujitsu.com> 4f08c3bdfSopenharmony_ci# Copyright (c) 2021 Petr Vorel <pvorel@suse.cz> 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_citconf() 7f08c3bdfSopenharmony_ci{ 8f08c3bdfSopenharmony_ci echo "TCONF: $1" 9f08c3bdfSopenharmony_ci exit 32 10f08c3bdfSopenharmony_ci} 11f08c3bdfSopenharmony_ci 12f08c3bdfSopenharmony_ciecho "Testing .request_hugepages = TST_NO_HUGEPAGES" 13f08c3bdfSopenharmony_ci 14f08c3bdfSopenharmony_ciorig_value=`cat /proc/sys/vm/nr_hugepages` 15f08c3bdfSopenharmony_ci 16f08c3bdfSopenharmony_ciif grep -q -E '^proc /proc(/sys)? proc ro' /proc/mounts; then 17f08c3bdfSopenharmony_ci tconf "/proc or /proc/sys mounted as read-only" 18f08c3bdfSopenharmony_cifi 19f08c3bdfSopenharmony_ci 20f08c3bdfSopenharmony_ciif [ ! -f /proc/sys/vm/nr_hugepages ]; then 21f08c3bdfSopenharmony_ci tconf "/proc/sys/vm/nr_hugepages does not exist" 22f08c3bdfSopenharmony_cifi 23f08c3bdfSopenharmony_ci 24f08c3bdfSopenharmony_ciif [ ! -w /proc/sys/vm/nr_hugepages ]; then 25f08c3bdfSopenharmony_ci tconf "no write permission to /proc/sys/vm/nr_hugepages (run as root)" 26f08c3bdfSopenharmony_cifi 27f08c3bdfSopenharmony_ci 28f08c3bdfSopenharmony_ciecho 4 > /proc/sys/vm/nr_hugepages 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_ci./test_zero_hugepage 31f08c3bdfSopenharmony_ci 32f08c3bdfSopenharmony_ciecho $orig_value > /proc/sys/vm/nr_hugepages 33