diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index b774dbc..87f600b 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -330,6 +330,9 @@
 int setdomainname(const char*, size_t)  all
 int sethostname(const char*, size_t)  all
 
+int __sync_file_range:sync_file_range(int, off64_t, off64_t, unsigned int) arm64,mips,mips64,x86,x86_64
+int __sync_file_range2:sync_file_range2(int, unsigned int, off64_t, off64_t) arm
+
 pid_t wait4(pid_t, int*, int, struct rusage*)  all
 int __waitid:waitid(int, pid_t, struct siginfo_t*, int, void*)  all