[to-be-updated] selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available.patch removed from -mm tree

[to-be-updated] selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: selftests/mm: split_huge_page_test: skip the test when thp is not available
has been removed from the -mm tree.  Its filename was
     selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Chunyu Hu <chuhu@redhat.com>
Subject: selftests/mm: split_huge_page_test: skip the test when thp is not available
Date: Tue, 24 Mar 2026 09:33:15 +0800

When thp is not enabled on some kernel config such as realtime kernel, the
test will report failure.  Fix the false positive by skipping the test
directly when thp is not enabled.

Tested with thp disabled kernel:
Before The fix:
  # --------------------------------------------------
  # running ./split_huge_page_test /tmp/xfs_dir_Ywup9p
  # --------------------------------------------------
  # TAP version 13
  # Bail out! Reading PMD pagesize failed
  # # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
  # [FAIL]
  not ok 61 split_huge_page_test /tmp/xfs_dir_Ywup9p # exit=1

After the fix:
  # --------------------------------------------------
  # running ./split_huge_page_test /tmp/xfs_dir_YHPUPl
  # --------------------------------------------------
  # TAP version 13
  # 1..0 # SKIP Transparent Hugepages not available
  # [SKIP]
  ok 6 split_huge_page_test /tmp/xfs_dir_YHPUPl # SKIP

Link: https://lkml.kernel.org/r/20260324013316.2590422-6-chuhu@redhat.com
Signed-off-by: Chunyu Hu <chuhu@redhat.com>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Li Wang <liwang@redhat.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nico Pache <npache@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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/mm/split_huge_page_test.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/tools/testing/selftests/mm/split_huge_page_test.c~selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available
+++ a/tools/testing/selftests/mm/split_huge_page_test.c
@@ -21,6 +21,7 @@
 #include <time.h>
 #include "vm_util.h"
 #include "kselftest.h"
+#include "thp_settings.h"
 
 uint64_t pagesize;
 unsigned int pageshift;
@@ -757,6 +758,9 @@ int main(int argc, char **argv)
 		ksft_finished();
 	}
 
+	if (!thp_is_enabled())
+		ksft_exit_skip("Transparent Hugepages not available\n");
+
 	if (argc > 1)
 		optional_xfs_path = argv[1];
 
_

Patches currently in -mm which might be from chuhu@redhat.com are

selftests-mm-transhuge_stress-skip-the-test-when-thp-not-available.patch

[to-be-updated] selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: selftests/mm: split_huge_page_test: skip the test when thp is not available
has been removed from the -mm tree.  Its filename was
     selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Chunyu Hu <chuhu@redhat.com>
Subject: selftests/mm: split_huge_page_test: skip the test when thp is not available
Date: Mon, 30 Mar 2026 23:15:02 +0800

When thp is not enabled on some kernel config such as realtime kernel, the
test will report failure. Fix the false positive by skipping the test
directly when thp is not enabled.

Tested with thp disabled kernel:
Before The fix:
  # --------------------------------------------------
  # running ./split_huge_page_test /tmp/xfs_dir_Ywup9p
  # --------------------------------------------------
  # TAP version 13
  # Bail out! Reading PMD pagesize failed
  # # Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0
  # [FAIL]
  not ok 61 split_huge_page_test /tmp/xfs_dir_Ywup9p # exit=1

After the fix:
  # --------------------------------------------------
  # running ./split_huge_page_test /tmp/xfs_dir_YHPUPl
  # --------------------------------------------------
  # TAP version 13
  # 1..0 # SKIP Transparent Hugepages not available
  # [SKIP]
  ok 6 split_huge_page_test /tmp/xfs_dir_YHPUPl # SKIP

Link: https://lkml.kernel.org/r/20260330151503.670415-7-chuhu@redhat.com
Signed-off-by: Chunyu Hu <chuhu@redhat.com>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Li Wang <liwang@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/mm/split_huge_page_test.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/tools/testing/selftests/mm/split_huge_page_test.c~selftests-mm-split_huge_page_test-skip-the-test-when-thp-is-not-available
+++ a/tools/testing/selftests/mm/split_huge_page_test.c
@@ -21,6 +21,7 @@
 #include <time.h>
 #include "vm_util.h"
 #include "kselftest.h"
+#include "thp_settings.h"
 
 uint64_t pagesize;
 unsigned int pageshift;
@@ -757,6 +758,9 @@ int main(int argc, char **argv)
 		ksft_finished();
 	}
 
+	if (!thp_is_enabled())
+		ksft_exit_skip("Transparent Hugepages not available\n");
+
 	if (argc > 1)
 		optional_xfs_path = argv[1];
 
_

Patches currently in -mm which might be from chuhu@redhat.com are

selftests-mm-transhuge_stress-skip-the-test-when-thp-not-available.patch