24 lines
580 B
C
24 lines
580 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
#ifndef _TESTCASES_MMAP_TEST_H
|
|
#define _TESTCASES_MMAP_TEST_H
|
|
#include <sys/mman.h>
|
|
#include <sys/resource.h>
|
|
#include <stddef.h>
|
|
#include <strings.h>
|
|
#include "../../kselftest_harness.h"
|
|
|
|
#define TOP_DOWN 0
|
|
#define BOTTOM_UP 1
|
|
|
|
#define PROT (PROT_READ | PROT_WRITE)
|
|
#define FLAGS (MAP_PRIVATE | MAP_ANONYMOUS)
|
|
|
|
static inline int memory_layout(void)
|
|
{
|
|
void *value1 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
|
|
void *value2 = mmap(NULL, sizeof(int), PROT, FLAGS, 0, 0);
|
|
|
|
return value2 > value1;
|
|
}
|
|
#endif /* _TESTCASES_MMAP_TEST_H */
|