summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/mm/hugetlb_madv_vs_map.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/mm/hugetlb_madv_vs_map.c')
-rw-r--r--tools/testing/selftests/mm/hugetlb_madv_vs_map.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/tools/testing/selftests/mm/hugetlb_madv_vs_map.c b/tools/testing/selftests/mm/hugetlb_madv_vs_map.c
index d01e8d4901d0..8f122a0f0828 100644
--- a/tools/testing/selftests/mm/hugetlb_madv_vs_map.c
+++ b/tools/testing/selftests/mm/hugetlb_madv_vs_map.c
@@ -27,9 +27,9 @@
#include "vm_util.h"
#include "../kselftest.h"
-#define MMAP_SIZE (1 << 21)
#define INLOOP_ITER 100
+size_t mmap_size;
char *huge_ptr;
/* Touch the memory while it is being madvised() */
@@ -44,7 +44,7 @@ void *touch(void *unused)
void *madv(void *unused)
{
for (int i = 0; i < INLOOP_ITER; i++)
- madvise(huge_ptr, MMAP_SIZE, MADV_DONTNEED);
+ madvise(huge_ptr, mmap_size, MADV_DONTNEED);
return NULL;
}
@@ -59,7 +59,7 @@ void *map_extra(void *unused)
void *ptr;
for (int i = 0; i < INLOOP_ITER; i++) {
- ptr = mmap(NULL, MMAP_SIZE, PROT_READ | PROT_WRITE,
+ ptr = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB,
-1, 0);
@@ -93,14 +93,16 @@ int main(void)
free_hugepages);
}
+ mmap_size = default_huge_page_size();
+
while (max--) {
- huge_ptr = mmap(NULL, MMAP_SIZE, PROT_READ | PROT_WRITE,
+ huge_ptr = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB,
-1, 0);
if ((unsigned long)huge_ptr == -1) {
- ksft_exit_skip("Failed to allocated huge page\n");
- return KSFT_SKIP;
+ ksft_test_result_fail("Failed to allocate huge page\n");
+ return KSFT_FAIL;
}
pthread_create(&thread1, NULL, madv, NULL);
@@ -117,7 +119,7 @@ int main(void)
}
/* Unmap and restart */
- munmap(huge_ptr, MMAP_SIZE);
+ munmap(huge_ptr, mmap_size);
}
return KSFT_PASS;