/* cpufreq-bench CPUFreq microbenchmark * * Copyright (C) 2008 Christian Kornacker * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* struct that holds the required config parameters */ struct config { long sleep; /* sleep time in µs */ long load; /* load time in µs */ long sleep_step; /* time value which changes the * sleep time after every round in µs */ long load_step; /* time value which changes the * load time after every round in µs */ unsigned int cycles; /* calculation cycles with the same sleep/load time */ unsigned int rounds; /* calculation rounds with iterated sleep/load time */ unsigned int cpu; /* cpu for which the affinity is set */ char governor[15]; /* cpufreq governor */ enum sched_prio /* possible scheduler priorities */ { SCHED_ERR = -1, SCHED_HIGH, SCHED_DEFAULT, SCHED_LOW } prio; unsigned int verbose; /* verbose output */ FILE *output; /* logfile */ char *output_filename; /* logfile name, must be freed at the end if output != NULL and output != stdout*/ }; enum sched_prio string_to_prio(const char *str); FILE *prepare_output(const char *dir); int prepare_config(const char *path, struct config *config); struct config *prepare_default_config(); ed42acaef1a9d51631a31b55e9ed52d400430492'>commitdiff
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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-12-18 16:31:38 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-01-20 13:48:30 +0000
commited42acaef1a9d51631a31b55e9ed52d400430492 (patch)
tree62b93dda8ee5eb1c31a3233df3e0f244dd83b367 /arch/mn10300/mm
parent56dd47098abe1fdde598a8d8b7c04d775506f456 (diff)
ARM: make_coherent: avoid recalculating the pfn for the modified page
We already know the pfn for the page to be modified in make_coherent, so let's stop recalculating it unnecessarily. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/mn10300/mm')