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authorMike Rapoport (Microsoft) <rppt@kernel.org>2026-05-11 19:28:30 +0300
committerAndrew Morton <akpm@linux-foundation.org>2026-05-28 21:31:52 -0700
commit466bbc6ebdaf6ddd464856e3213c77671387d8c9 (patch)
tree1866ece98fd46084c20d2dbb700d46141e3ea4fb /tools
parentad07feaa6b632e95aa9773e96f9db056fb4f1db2 (diff)
downloadlinux-next-history-466bbc6ebdaf6ddd464856e3213c77671387d8c9.tar.gz
selftests/mm: pagemap_ioctl: add setup of HugeTLB pages
pagemap-ioctl skips HugeTLB tests if there are no free huge pages prepared by a wrapper script. Add setup of HugeTLB pages to the test and make sure that the original settings are restored on the test exit. Link: https://lore.kernel.org/20260511162840.375890-47-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Tested-by: Luiz Capitulino <luizcap@redhat.com> Tested-by: Sarthak Sharma <sarthak.sharma@arm.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: David Hildenbrand <david@kernel.org> Cc: Dev Jain <dev.jain@arm.com> Cc: Donet Tom <donettom@linux.ibm.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Leon Romanovsky <leon@kernel.org> Cc: Liam Howlett <liam@infradead.org> Cc: Li Wang <li.wang@linux.dev> Cc: Lorenzo Stoakes <ljs@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Nico Pache <npache@redhat.com> Cc: Peter Xu <peterx@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@kernel.org> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/mm/pagemap_ioctl.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c
index 7f9428d6062ca..762306177ad81 100644
--- a/tools/testing/selftests/mm/pagemap_ioctl.c
+++ b/tools/testing/selftests/mm/pagemap_ioctl.c
@@ -7,8 +7,6 @@
#include <sys/mman.h>
#include <errno.h>
#include <malloc.h>
-#include "vm_util.h"
-#include "kselftest.h"
#include <linux/types.h>
#include <linux/memfd.h>
#include <linux/userfaultfd.h>
@@ -23,6 +21,10 @@
#include <sys/ipc.h>
#include <sys/shm.h>
+#include "vm_util.h"
+#include "kselftest.h"
+#include "hugepage_settings.h"
+
#define PAGEMAP_BITS_ALL (PAGE_IS_WPALLOWED | PAGE_IS_WRITTEN | \
PAGE_IS_FILE | PAGE_IS_PRESENT | \
PAGE_IS_SWAPPED | PAGE_IS_PFNZERO | \
@@ -1554,6 +1556,9 @@ int main(int __attribute__((unused)) argc, char *argv[])
if (init_uffd())
ksft_exit_skip("Failed to initialize userfaultfd\n");
+ if (!hugetlb_setup_default(4))
+ ksft_print_msg("HugeTLB test will be skipped\n");
+
ksft_set_plan(117);
page_size = getpagesize();
@@ -1605,7 +1610,7 @@ int main(int __attribute__((unused)) argc, char *argv[])
}
/* 5. SHM Hugetlb page testing */
- mem_size = 2*1024*1024;
+ mem_size = default_huge_page_size();
mem = gethugetlb_mem(mem_size, &shmid);
if (mem) {
wp_init(mem, mem_size);
@@ -1633,7 +1638,7 @@ int main(int __attribute__((unused)) argc, char *argv[])
}
/* 7. File Hugetlb testing */
- mem_size = 2*1024*1024;
+ mem_size = default_huge_page_size();
fd = memfd_create("uffd-test", MFD_HUGETLB | MFD_NOEXEC_SEAL);
if (fd < 0)
ksft_exit_fail_msg("uffd-test creation failed %d %s\n", errno, strerror(errno));