mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-15 23:25:07 +00:00
0183d777c2
Remove all defines which aren't needed after correctly including the kernel header files. Link: https://lkml.kernel.org/r/20230612095347.996335-2-usama.anjum@collabora.com Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: David Hildenbrand <david@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Stefan Roesch <shr@devkernel.io> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
44 lines
776 B
C
44 lines
776 B
C
// 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>
|
|
|
|
static int test_limit(void)
|
|
{
|
|
int ret = 1;
|
|
struct rlimit lims;
|
|
void *map;
|
|
|
|
if (getrlimit(RLIMIT_MEMLOCK, &lims)) {
|
|
perror("getrlimit");
|
|
return ret;
|
|
}
|
|
|
|
if (mlockall(MCL_ONFAULT | MCL_FUTURE)) {
|
|
perror("mlockall");
|
|
return ret;
|
|
}
|
|
|
|
map = mmap(NULL, 2 * lims.rlim_max, PROT_READ | PROT_WRITE,
|
|
MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE, -1, 0);
|
|
if (map != MAP_FAILED)
|
|
printf("mmap should have failed, but didn't\n");
|
|
else {
|
|
ret = 0;
|
|
munmap(map, 2 * lims.rlim_max);
|
|
}
|
|
|
|
munlockall();
|
|
return ret;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int ret = 0;
|
|
|
|
ret += test_limit();
|
|
return ret;
|
|
}
|