ype, "anon")) {
diff --git a/tools/testing/selftests/vm/vm_util.c b/tools/testing/selftests/vm/vm_util.c
index fc5743bc1283..613cc61602c9 100644
--- a/tools/testing/selftests/vm/vm_util.c
+++ b/tools/testing/selftests/vm/vm_util.c
@@ -161,6 +161,27 @@ bool check_huge_shmem(void *addr, int nr_hpages, uint64_t hpage_size)
 	return __check_huge(addr, "ShmemPmdMapped:", nr_hpages, hpage_size);
 }
 
+unsigned long default_huge_page_size(void)
+{
+	unsigned long hps = 0;
+	char *line = NULL;
+	size_t linelen = 0;
+	FILE *f = fopen("/proc/meminfo", "r");
+
+	if (!f)
+		return 0;
+	while (getline(&line, &linelen, f) > 0) {
+		if (sscanf(line, "Hugepagesize:       %lu kB", &hps) == 1) {
+			hps <<= 10;
+			break;
+		}
+	}
+
+	free(line);
+	fclose(f);
+	return hps;
+}
+
 static bool check_vmflag(void *addr, const char *flag)
 {
 	char buffer[MAX_LINE_LENGTH];
diff --git a/tools/testing/selftests/vm/vm_util.h b/tools/testing/selftests/vm/vm_util.h
index 470f85fe9594..a4439db0d6f8 100644
--- a/tools/testing/selftests/vm/vm_util.h
+++ b/tools/testing/selftests/vm/vm_util.h
@@ -11,4 +11,5 @@ uint64_t read_pmd_pagesize(void);
 bool check_huge_anon(void *addr, int nr_hpages, uint64_t hpage_size);
 bool check_huge_file(void *addr, int nr_hpages, uint64_t hpage_size);
 bool check_huge_shmem(void *addr, int nr_hpages, uint64_t hpage_size);
+unsigned long default_huge_page_size(void);
 bool softdirty_supported(void);
-- 
2.43.0[PATCH 6.1.y] selftests/mm: Move default_huge_page_size to vm_util.cLeon Hwang <leon.hwang@linux.dev> undefinedstable@vger.kernel.org undefined undefined undefined undefined undefined undefined undefined undefinedƒAƒ¼*