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authorPeter Xu <peterx@redhat.com>2022-10-14 10:39:19 -0400
committerAndrew Morton <akpm@linux-foundation.org>2022-11-08 17:37:11 -0800
commit62f33fa228003a419a9484eed5133447a280387c (patch)
tree8dd230c5c2b19b3e7356e0ab638e30dfcdfeed1f /tools
parentde2baa880de3d5eecf2e46ebdee0aaeb565f5917 (diff)
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selftests/vm: use memfd for hugetlb-madvise test
For dropping the hugetlb mountpoint in run_vmtests.sh. Since no parameter is needed, drop USAGE too. Link: https://lkml.kernel.org/r/20221014143921.93887-3-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/vm/hugetlb-madvise.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/tools/testing/selftests/vm/hugetlb-madvise.c b/tools/testing/selftests/vm/hugetlb-madvise.c
index 3c9943131881..f96435b70986 100644
--- a/tools/testing/selftests/vm/hugetlb-madvise.c
+++ b/tools/testing/selftests/vm/hugetlb-madvise.c
@@ -12,6 +12,7 @@
* directory.
*/
+#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
@@ -19,7 +20,6 @@
#define __USE_GNU
#include <fcntl.h>
-#define USAGE "USAGE: %s <hugepagefile_name>\n"
#define MIN_FREE_PAGES 20
#define NR_HUGE_PAGES 10 /* common number of pages to map/allocate */
@@ -103,11 +103,6 @@ int main(int argc, char **argv)
int fd;
int ret;
- if (argc != 2) {
- printf(USAGE, argv[0]);
- exit(1);
- }
-
huge_page_size = default_huge_page_size();
if (!huge_page_size) {
printf("Unable to determine huge page size, exiting!\n");
@@ -125,9 +120,9 @@ int main(int argc, char **argv)
exit(1);
}
- fd = open(argv[1], O_CREAT | O_RDWR, 0755);
+ fd = memfd_create(argv[0], MFD_HUGETLB);
if (fd < 0) {
- perror("Open failed");
+ perror("memfd_create() failed");
exit(1);
}
@@ -406,6 +401,5 @@ int main(int argc, char **argv)
(void)munmap(addr2, NR_HUGE_PAGES * huge_page_size);
close(fd);
- unlink(argv[1]);
return 0;
}