diff --git a/include/asm-ppc/unistd.h b/include/asm-ppc/unistd.h
index e8b79220b29c..a7894e0fbbb1 100644
--- a/include/asm-ppc/unistd.h
+++ b/include/asm-ppc/unistd.h
@@ -262,7 +262,7 @@
 #define __NR_rtas		255
 #define __NR_sys_debug_setcontext 256
 /* Number 257 is reserved for vserver */
-/* Number 258 is reserved for new sys_remap_file_pages */
+/* 258 currently unused */
 /* Number 259 is reserved for new sys_mbind */
 /* Number 260 is reserved for new sys_get_mempolicy */
 /* Number 261 is reserved for new sys_set_mempolicy */
diff --git a/include/asm-ppc64/unistd.h b/include/asm-ppc64/unistd.h
index 53fc662d8009..4a94acf6bfed 100644
--- a/include/asm-ppc64/unistd.h
+++ b/include/asm-ppc64/unistd.h
@@ -268,7 +268,7 @@
 #define __NR_rtas		255
 /* Number 256 is reserved for sys_debug_setcontext */
 /* Number 257 is reserved for vserver */
-/* Number 258 is reserved for new sys_remap_file_pages */
+/* 258 currently unused */
 #define __NR_mbind		259
 #define __NR_get_mempolicy	260
 #define __NR_set_mempolicy	261