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-rw-r--r--tools/testing/selftests/vm/hugepage-mmap.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/tools/testing/selftests/vm/hugepage-mmap.c b/tools/testing/selftests/vm/hugepage-mmap.c
index 93f9e7b81331..955ef87f382c 100644
--- a/tools/testing/selftests/vm/hugepage-mmap.c
+++ b/tools/testing/selftests/vm/hugepage-mmap.c
@@ -16,14 +16,13 @@
* range.
* Other architectures, such as ppc64, i386 or x86_64 are not so constrained.
*/
-
+#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <fcntl.h>
-#define FILE_NAME "huge/hugepagefile"
#define LENGTH (256UL*1024*1024)
#define PROTECTION (PROT_READ | PROT_WRITE)
@@ -67,16 +66,16 @@ int main(void)
void *addr;
int fd, ret;
- fd = open(FILE_NAME, O_CREAT | O_RDWR, 0755);
+ fd = memfd_create("hugepage-mmap", MFD_HUGETLB);
if (fd < 0) {
- perror("Open failed");
+ perror("memfd_create() failed");
exit(1);
}
addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, fd, 0);
if (addr == MAP_FAILED) {
perror("mmap");
- unlink(FILE_NAME);
+ close(fd);
exit(1);
}
@@ -87,7 +86,6 @@ int main(void)
munmap(addr, LENGTH);
close(fd);
- unlink(FILE_NAME);
return ret;
}