3 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/fallocate.c b/sysdeps/unix/sysv/linux/fallocate.c
index 116f00046e..dc2b4e92ca 100644
--- a/sysdeps/unix/sysv/linux/fallocate.c
+++ b/sysdeps/unix/sysv/linux/fallocate.c
@@ -25,7 +25,7 @@
 int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
-#ifndef __NR_fallocate
+#ifdef __NR_fallocate
   return INLINE_SYSCALL (fallocate, 6, fd, mode,
 			 __LONG_LONG_PAIR (offset >> 31, offset),
 			 __LONG_LONG_PAIR (len >> 31, len));
diff --git a/sysdeps/unix/sysv/linux/fallocate64.c b/sysdeps/unix/sysv/linux/fallocate64.c
index 2fbe988910..ebcaf671b3 100644
--- a/sysdeps/unix/sysv/linux/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/fallocate64.c
@@ -25,7 +25,7 @@
 int
 __fallocate64_l64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
-#ifndef __NR_fallocate
+#ifdef __NR_fallocate
   return INLINE_SYSCALL (fallocate, 6, fd, mode,
 			 __LONG_LONG_PAIR ((long int) (offset >> 32),
 					   (long int) offset),
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c b/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
index 0eabab9781..3e8954f0b7 100644
--- a/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
+++ b/sysdeps/unix/sysv/linux/wordsize-64/fallocate.c
@@ -25,6 +25,11 @@
 int
 fallocate (int fd, int mode, __off_t offset, __off_t len)
 {
+#ifdef __NR_fallocate
   return INLINE_SYSCALL (fallocate, 4, fd, mode, offset, len);
+#else
+  __set_errno (ENOSYS);
+  return -1;
+#endif
 }
 strong_alias (fallocate, fallocate64)