Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Eric B Munson |
120 |
69.36% |
1 |
25.00% |
| Muhammad Usama Anjum |
50 |
28.90% |
1 |
25.00% |
| SeongJae Park |
2 |
1.16% |
1 |
25.00% |
| Greg Kroah-Hartman |
1 |
0.58% |
1 |
25.00% |
| Total |
173 |
|
4 |
|
// SPDX-License-Identifier: GPL-2.0
#include <sys/mman.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/time.h>
#include <sys/resource.h>
#include "../kselftest.h"
static void test_limit(void)
{
struct rlimit lims;
void *map;
if (getrlimit(RLIMIT_MEMLOCK, &lims))
ksft_exit_fail_msg("getrlimit: %s\n", strerror(errno));
if (mlockall(MCL_ONFAULT | MCL_FUTURE))
ksft_exit_fail_msg("mlockall: %s\n", strerror(errno));
map = mmap(NULL, 2 * lims.rlim_max, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE, -1, 0);
ksft_test_result(map == MAP_FAILED, "The map failed respecting mlock limits\n");
if (map != MAP_FAILED)
munmap(map, 2 * lims.rlim_max);
munlockall();
}
int main(int argc, char **argv)
{
ksft_print_header();
ksft_set_plan(1);
if (!getuid())
ksft_test_result_skip("The test must be run from a normal user\n");
else
test_limit();
ksft_finished();
}