Commit 62f33fa2 authored by Peter Xu's avatar Peter Xu Committed by Andrew Morton
Browse files

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: default avatarPeter Xu <peterx@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent de2baa88

tools/testing/selftests/vm/hugetlb-madvise.c

+3 −9
Original line number Diff line number Diff line
@@ -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;

}