Index: sys/compat/linuxkpi/common/include/linux/string.h
===================================================================
--- sys/compat/linuxkpi/common/include/linux/string.h
+++ sys/compat/linuxkpi/common/include/linux/string.h
@@ -196,4 +196,34 @@
 	return (-E2BIG);
 }
 
+static inline void *
+memset32(uint32_t *b, uint32_t c, size_t len)
+{
+	uint32_t *dst = b;
+
+	while (len--)
+		*dst++ = c;
+	return (b);
+}
+
+static inline void *
+memset64(uint64_t *b, uint64_t c, size_t len)
+{
+	uint64_t *dst = b;
+
+	while (len--)
+		*dst++ = c;
+	return (b);
+}
+
+static inline void *
+memset_p(void **p, void *v, size_t n)
+{
+
+	if (BITS_PER_LONG == 32)
+		return (memset64((uint64_t *)p, (uintptr_t)v, n));
+	else
+		return (memset32((uint32_t *)p, (uintptr_t)v, n));
+}
+
 #endif					/* _LINUXKPI_LINUX_STRING_H_ */