Index: sys/crypto/aesni/aesencdec.h
===================================================================
--- sys/crypto/aesni/aesencdec.h
+++ sys/crypto/aesni/aesencdec.h
@@ -27,6 +27,11 @@
  *
  */
 
+#if defined(__GNUC__) && defined(_KERNEL)
+/* Suppress inclusion of gcc's mm_malloc.h header */
+#define _MM_MALLOC_H_INCLUDED 1
+#endif
+
 #include <wmmintrin.h>
 
 static inline void
Index: sys/crypto/aesni/aesni_ghash.c
===================================================================
--- sys/crypto/aesni/aesni_ghash.c
+++ sys/crypto/aesni/aesni_ghash.c
@@ -71,6 +71,11 @@
 #include <stdint.h>
 #endif
 
+#if defined(__GNUC__) && defined(_KERNEL)
+/* Suppress inclusion of gcc's mm_malloc.h header */
+#define _MM_MALLOC_H_INCLUDED 1
+#endif
+
 #include <wmmintrin.h>
 #include <emmintrin.h>
 #include <smmintrin.h>
Index: sys/crypto/aesni/aesni_wrap.c
===================================================================
--- sys/crypto/aesni/aesni_wrap.c
+++ sys/crypto/aesni/aesni_wrap.c
@@ -45,6 +45,12 @@
 #include <opencrypto/gmac.h>
 
 #include "aesencdec.h"
+
+#if defined(__GNUC__) && defined(_KERNEL)
+/* Suppress inclusion of gcc's mm_malloc.h header */
+#define _MM_MALLOC_H_INCLUDED 1
+#endif
+
 #include <smmintrin.h>
 
 MALLOC_DECLARE(M_AESNI);