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author | Peter Xu <peterx@redhat.com> | 2022-11-17 16:29:15 -0500 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-30 15:59:01 -0800 |
commit | 91a99f1d1248bdde674b66e20ac472ec76f6a202 (patch) | |
tree | ed0338121031b4223dbbdf8527186305644b3c4b /tools | |
parent | 47939359add5242d27ee6a30e8bcb0cef15ba45c (diff) | |
download | linux-91a99f1d1248bdde674b66e20ac472ec76f6a202.tar.bz2 |
selftests/vm: use memfd for hugepage-mmap test
This test was overlooked with a hard-coded mntpoint path in test when
we're removing the hugetlb mntpoint in commit 0796c7b8be84. Fix it up so
the test can keep running.
Link: https://lkml.kernel.org/r/Y3aojfUC2nSwbCzB@x1n
Fixes: 0796c7b8be84 ("selftests/vm: drop mnt point for hugetlb in run_vmtests.sh")
Signed-off-by: Peter Xu <peterx@redhat.com>
Reported-by: Joel Savitz <jsavitz@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
-rw-r--r-- | tools/testing/selftests/vm/hugepage-mmap.c | 10 |
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; } |