6 files changed, 40 insertions, 1 deletions
diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/selftests/mm/khugepaged.c
index 4341ce6b3b38..a18c50d51141 100644
--- a/tools/testing/selftests/mm/khugepaged.c
+++ b/tools/testing/selftests/mm/khugepaged.c
@@ -1188,6 +1188,11 @@ int main(int argc, char **argv)
 		.read_ahead_kb = 0,
 	};
 
+	if (!thp_is_enabled()) {
+		printf("Transparent Hugepages not available\n");
+		return KSFT_SKIP;
+	}
+
 	parse_test_type(argc, argv);
 
 	setbuf(stdout, NULL);
diff --git a/tools/testing/selftests/mm/ksm_tests.c b/tools/testing/selftests/mm/ksm_tests.c
index e80deac1436b..b77462b5c240 100644
--- a/tools/testing/selftests/mm/ksm_tests.c
+++ b/tools/testing/selftests/mm/ksm_tests.c
@@ -15,6 +15,7 @@
 #include "../kselftest.h"
 #include <include/vdso/time64.h>
 #include "vm_util.h"
+#include "thp_settings.h"
 
 #define KSM_SYSFS_PATH "/sys/kernel/mm/ksm/"
 #define KSM_FP(s) (KSM_SYSFS_PATH s)
@@ -527,6 +528,11 @@ static int ksm_merge_hugepages_time(int merge_type, int mapping, int prot,
 	unsigned long scan_time_ns;
 	int pagemap_fd, n_normal_pages, n_huge_pages;
 
+	if (!thp_is_enabled()) {
+		printf("Transparent Hugepages not available\n");
+		return KSFT_SKIP;
+	}
+
 	map_size *= MB;
 	size_t len = map_size;
 
diff --git a/tools/testing/selftests/mm/migration.c b/tools/testing/selftests/mm/migration.c
index 1e3a595fbf01..a306f8bab087 100644
--- a/tools/testing/selftests/mm/migration.c
+++ b/tools/testing/selftests/mm/migration.c
@@ -5,6 +5,8 @@
  */
 
 #include "../kselftest_harness.h"
+#include "thp_settings.h"
+
 #include <strings.h>
 #include <pthread.h>
 #include <numa.h>
@@ -185,6 +187,9 @@ TEST_F_TIMEOUT(migration, private_anon_thp, 2*RUNTIME)
 	uint64_t *ptr;
 	int i;
 
+	if (!thp_is_enabled())
+		SKIP(return, "Transparent Hugepages not available");
+
 	if (self->nthreads < 2 || self->n1 < 0 || self->n2 < 0)
 		SKIP(return, "Not enough threads or NUMA nodes available");
 
@@ -214,6 +219,9 @@ TEST_F_TIMEOUT(migration, shared_anon_thp, 2*RUNTIME)
 	uint64_t *ptr;
 	int i;
 
+	if (!thp_is_enabled())
+		SKIP(return, "Transparent Hugepages not available");
+
 	if (self->nthreads < 2 || self->n1 < 0 || self->n2 < 0)
 		SKIP(return, "Not enough threads or NUMA nodes available");
 
diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c
index 8e1462ce0532..8a3f2b4b2186 100644
--- a/tools/testing/selftests/mm/soft-dirty.c
+++ b/tools/testing/selftests/mm/soft-dirty.c
@@ -6,8 +6,10 @@
 #include <stdint.h>
 #include <malloc.h>
 #include <sys/mman.h>
+
 #include "../kselftest.h"
 #include "vm_util.h"
+#include "thp_settings.h"
 
 #define PAGEMAP_FILE_PATH "/proc/self/pagemap"
 #define TEST_ITERATIONS 10000
@@ -78,8 +80,13 @@ static void test_hugepage(int pagemap_fd, int pagesize)
 {
 	char *map;
 	int i, ret;
-	size_t hpage_len = read_pmd_pagesize();
 
+	if (!thp_is_enabled()) {
+		ksft_test_result_skip("Transparent Hugepages not available\n");
+		return;
+	}
+
+	size_t hpage_len = read_pmd_pagesize();
 	if (!hpage_len)
 		ksft_exit_fail_msg("Reading PMD pagesize failed");
 
diff --git a/tools/testing/selftests/mm/thp_settings.c b/tools/testing/selftests/mm/thp_settings.c
index ad872af1c81a..bad60ac52874 100644
--- a/tools/testing/selftests/mm/thp_settings.c
+++ b/tools/testing/selftests/mm/thp_settings.c
@@ -381,3 +381,14 @@ unsigned long thp_shmem_supported_orders(void)
 {
 	return __thp_supported_orders(true);
 }
+
+bool thp_is_enabled(void)
+{
+	if (access(THP_SYSFS, F_OK) != 0)
+		return false;
+
+	int mode = thp_read_string("enabled", thp_enabled_strings);
+
+	/* THP is considered enabled if it's either "always" or "madvise" */
+	return mode == 1 || mode == 3;
+}
diff --git a/tools/testing/selftests/mm/thp_settings.h b/tools/testing/selftests/mm/thp_settings.h
index fc131d23d593..6c07f70beee9 100644
--- a/tools/testing/selftests/mm/thp_settings.h
+++ b/tools/testing/selftests/mm/thp_settings.h
@@ -84,4 +84,6 @@ void thp_set_read_ahead_path(char *path);
 unsigned long thp_supported_orders(void);
 unsigned long thp_shmem_supported_orders(void);
 
+bool thp_is_enabled(void);
+
 #endif /* __THP_SETTINGS_H__ */