/*
* Copyright (C) 2017 Red Hat, Inc.
*
* 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.
*/
/*
* Parse the ksm0* test options in funcion parse_ksm_options().
*/
#include "tst_test.h"
int merge_across_nodes;
int size = 128, num = 3, unit = 1;
char *opt_sizestr, *opt_numstr, *opt_unitstr;
struct tst_option ksm_options[] = {
{"n:", &opt_numstr, "-n Number of processes"},
{"s:", &opt_sizestr, "-s Memory allocation size in MB"},
{"u:", &opt_unitstr, "-u Memory allocation unit in MB"},
{NULL, NULL, NULL}
};
static inline void parse_ksm_options(char *str_size, int *size,
char *str_num, int *num, char *str_unit, int *unit)
{
if(tst_parse_int(str_size, size, 1, INT_MAX))
tst_brk(TBROK, "Invalid size '%s'", str_size);
if(tst_parse_int(str_num, num, 3, INT_MAX))
tst_brk(TBROK, "Invalid num '%s'", str_num);
if(tst_parse_int(str_unit, unit, 1, *size))
tst_brk(TBROK, "Invalid unit '%s'", str_unit);
if (*size % *unit != 0)
tst_brk(TBROK,
"the remainder of division of size by unit is "
"not zero.");
}
static const char * const save_restore[] = {
"?/sys/kernel/mm/ksm/max_page_sharing",
NULL,
};