Index: sys/compat/linux/linux_file.h
===================================================================
--- sys/compat/linux/linux_file.h
+++ sys/compat/linux/linux_file.h
@@ -70,10 +70,17 @@
 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
 #define	LINUX_O_SYNC		00010000
 #define	LINUX_FASYNC		00020000
+#if defined(__arm__)
+#define	LINUX_O_DIRECTORY	00040000
+#define	LINUX_O_NOFOLLOW	00100000
+#define	LINUX_O_DIRECT		00200000
+#define	LINUX_O_LARGEFILE	00400000
+#else /* !defined(__arm__) */
 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
 #define	LINUX_O_LARGEFILE	00100000
 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
+#endif /* defined(__arm__) */
 #define	LINUX_O_NOATIME		01000000
 #define	LINUX_O_CLOEXEC		02000000
 
Index: sys/compat/linux/linux_file.c
===================================================================
--- sys/compat/linux/linux_file.c
+++ sys/compat/linux/linux_file.c
@@ -230,7 +230,7 @@
 	return (error);
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_llseek(struct thread *td, struct linux_llseek_args *args)
 {
@@ -269,7 +269,7 @@
 	lda.count = 1;
 	return (linux_getdents(td, &lda));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 /*
  * Note that linux_getdents(2) and linux_getdents64(2) have the same
@@ -916,7 +916,7 @@
 	return (error);
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_truncate64(struct thread *td, struct linux_truncate64_args *args)
 {
@@ -934,7 +934,7 @@
 	LFREEPATH(path);
 	return (error);
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_ftruncate(struct thread *td, struct linux_ftruncate_args *args)
@@ -1119,7 +1119,7 @@
 	return (error);
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_oldumount(struct thread *td, struct linux_oldumount_args *args)
 {
@@ -1129,7 +1129,7 @@
 	args2.flags = 0;
 	return (linux_umount(td, &args2));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_umount(struct thread *td, struct linux_umount_args *args)
@@ -1201,7 +1201,7 @@
 	linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid;
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 struct l_flock64 {
 	l_short		l_type;
 	l_short		l_whence;
@@ -1257,7 +1257,7 @@
 	linux_flock->l_len = (l_loff_t)bsd_flock->l_len;
 	linux_flock->l_pid = (l_pid_t)bsd_flock->l_pid;
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 static int
 fcntl_common(struct thread *td, struct linux_fcntl_args *args)
@@ -1398,7 +1398,7 @@
 	return (fcntl_common(td, args));
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_fcntl64(struct thread *td, struct linux_fcntl64_args *args)
 {
@@ -1450,7 +1450,7 @@
 	fcntl_args.arg = args->arg;
 	return (fcntl_common(td, &fcntl_args));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_chown(struct thread *td, struct linux_chown_args *args)
@@ -1534,6 +1534,7 @@
 	}
 }
 
+#if !defined(__arm__)
 int
 linux_fadvise64(struct thread *td, struct linux_fadvise64_args *args)
 {
@@ -1545,8 +1546,9 @@
 	return (kern_posix_fadvise(td, args->fd, args->offset, args->len,
 	    advice));
 }
+#endif /* !__arm__ */
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_fadvise64_64(struct thread *td, struct linux_fadvise64_64_args *args)
 {
@@ -1558,7 +1560,7 @@
 	return (kern_posix_fadvise(td, args->fd, args->offset, args->len,
 	    advice));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_pipe(struct thread *td, struct linux_pipe_args *args)
Index: sys/compat/linux/linux_ipc.h
===================================================================
--- sys/compat/linux/linux_ipc.h
+++ sys/compat/linux/linux_ipc.h
@@ -177,6 +177,6 @@
 int linux_shmdt(struct thread *, struct linux_shmdt_args *);
 int linux_shmget(struct thread *, struct linux_shmget_args *);
 
-#endif	/* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif	/* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 #endif /* _LINUX_IPC_H_ */
Index: sys/compat/linux/linux_misc.c
===================================================================
--- sys/compat/linux/linux_misc.c
+++ sys/compat/linux/linux_misc.c
@@ -1287,7 +1287,7 @@
 	return (copyout(&ls, uap->itv, sizeof(ls)));
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_nice(struct thread *td, struct linux_nice_args *args)
 {
@@ -1298,7 +1298,7 @@
 	bsd_args.prio = args->inc;
 	return (sys_setpriority(td, &bsd_args));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_setgroups(struct thread *td, struct linux_setgroups_args *args)
@@ -1430,7 +1430,7 @@
 	return (kern_setrlimit(td, which, &bsd_rlim));
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_old_getrlimit(struct thread *td, struct linux_old_getrlimit_args *args)
 {
@@ -1470,7 +1470,7 @@
 #endif
 	return (copyout(&rlim, args->rlim, sizeof(rlim)));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_getrlimit(struct thread *td, struct linux_getrlimit_args *args)
Index: sys/compat/linux/linux_signal.c
===================================================================
--- sys/compat/linux/linux_signal.c
+++ sys/compat/linux/linux_signal.c
@@ -91,7 +91,7 @@
 #ifdef COMPAT_LINUX32
 	lsa->lsa_handler = (uintptr_t)bsa->sa_handler;
 #else
-	lsa->lsa_handler = bsa->sa_handler;
+	lsa->lsa_handler = (l_handler_t)bsa->sa_handler;
 #endif
 	lsa->lsa_restorer = 0;		/* unsupported */
 	lsa->lsa_flags = 0;
@@ -152,7 +152,7 @@
 		    args->sig, (void *)(uintptr_t)args->handler);
 #endif
 
-	nsa.lsa_handler = args->handler;
+	nsa.lsa_handler = (l_handler_t )args->handler;
 	nsa.lsa_flags = LINUX_SA_ONESHOT | LINUX_SA_NOMASK;
 	LINUX_SIGEMPTYSET(nsa.lsa_mask);
 
@@ -231,7 +231,7 @@
 	return (error);
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_sigprocmask(struct thread *td, struct linux_sigprocmask_args *args)
 {
@@ -263,7 +263,7 @@
 
 	return (error);
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_rt_sigprocmask(struct thread *td, struct linux_rt_sigprocmask_args *args)
@@ -342,6 +342,9 @@
 	return (0);
 }
 
+#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 int
 linux_sigpending(struct thread *td, struct linux_sigpending_args *args)
 {
@@ -364,7 +367,7 @@
 	mask = lset.__mask;
 	return (copyout(&mask, args->mask, sizeof(mask)));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 /*
  * MPSAFE
Index: sys/compat/linux/linux_socket.c
===================================================================
--- sys/compat/linux/linux_socket.c
+++ sys/compat/linux/linux_socket.c
@@ -969,7 +969,7 @@
 	return (sys_socketpair(td, &bsd_args));
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 struct linux_send_args {
 	int s;
 	l_uintptr_t msg;
@@ -1025,7 +1025,7 @@
 	bsd_args.fromlenaddr = 0;
 	return (sys_recvfrom(td, &bsd_args));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_sendto(struct thread *td, struct linux_sendto_args *args)
@@ -1698,7 +1698,7 @@
 	return (error);
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 
 /* Argument list sizes for linux_socketcall */
 
@@ -1780,4 +1780,4 @@
 	uprintf("LINUX: 'socket' typ=%d not implemented\n", args->what);
 	return (ENOSYS);
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
Index: sys/compat/linux/linux_stats.c
===================================================================
--- sys/compat/linux/linux_stats.c
+++ sys/compat/linux/linux_stats.c
@@ -384,7 +384,7 @@
 static int
 bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs)
 {
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 	uint64_t tmp;
 
 #define	LINUX_HIBITS	0xffffffff00000000ULL
@@ -396,7 +396,7 @@
 	    (tmp & LINUX_HIBITS))
 		return (EOVERFLOW);
 #undef	LINUX_HIBITS
-#endif
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 	linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename);
 	linux_statfs->f_bsize = bsd_statfs->f_bsize;
 	linux_statfs->f_blocks = bsd_statfs->f_blocks;
@@ -435,7 +435,7 @@
 	return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs)));
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 static void
 bsd_to_linux_statfs64(struct statfs *bsd_statfs, struct l_statfs64 *linux_statfs)
 {
@@ -497,7 +497,7 @@
 	bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs);
 	return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs)));
 }
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_fstatfs(struct thread *td, struct linux_fstatfs_args *args)
@@ -538,7 +538,7 @@
 	return (EOPNOTSUPP);
 }
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 
 static int
 stat64_copyout(struct stat *buf, void *ubuf)
@@ -693,7 +693,7 @@
 	return (error);
 }
 
-#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 int
 linux_syncfs(struct thread *td, struct linux_syncfs_args *args)
Index: sys/compat/linux/linux_vdso.c
===================================================================
--- sys/compat/linux/linux_vdso.c
+++ sys/compat/linux/linux_vdso.c
@@ -29,11 +29,11 @@
 
 #include "opt_compat.h"
 
-#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
+#if defined(__i386__) || defined(__arm__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
 #define	__ELF_WORD_SIZE	32
 #else
 #define	__ELF_WORD_SIZE	64
-#endif
+#endif /* __i386__ || __arm__ || (__amd64__ && COMPAT_LINUX32) */
 
 #include <sys/param.h>
 #include <sys/systm.h>