I think this change actually doesn't do anything: __NR_fork was still
being defined either way, and on my machine fork() in <unistd.h> comes
from libc.

That said, I don't think there's any way to determine this
automatically, so this at least quiets the checker.

Signed-off-by: Palmer Dabbelt <redacted>
Reviewed-by: Andrew Waterman <waterman-aFE07iDfcCIb0cFwG/AQJIdd74u8MsAO@public.gmane.org>
Reviewed-by: Albert Ou <aou-aFE07iDfcCIb0cFwG/AQJIdd74u8MsAO@public.gmane.org>
---
 include/uapi/asm-generic/unistd.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index e016bd9b1a04..e027ef7aa01f 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h

@@ -865,11 +865,11 @@ __SYSCALL(__NR_uselib, sys_uselib)
 __SYSCALL(__NR__sysctl, sys_sysctl)
 
 #define __NR_fork 1079
-#ifdef CONFIG_MMU
+#if !defined(__KERNEL__) || defined(CONFIG_MMU)
 __SYSCALL(__NR_fork, sys_fork)
 #else
 __SYSCALL(__NR_fork, sys_ni_syscall)
-#endif /* CONFIG_MMU */
+#endif /* !__KERNEL__ || CONFIG_MMU */
 
 #undef __NR_syscalls
 #define __NR_syscalls (__NR_fork+1)

-- 
2.4.6