diff --git a/coregrind/m_syswrap/syswrap-ppc32-linux.c b/coregrind/m_syswrap/syswrap-ppc32-linux.c
index 917cd528f..c866fae86 100644
--- a/coregrind/m_syswrap/syswrap-ppc32-linux.c
+++ b/coregrind/m_syswrap/syswrap-ppc32-linux.c
@@ -1191,7 +1191,7 @@ static SyscallTableEntry syscall_table[] = {
 /* Number 256 is reserved for sys_debug_setcontext */
 /* Number 257 is reserved for vserver */
 /* Number 258 is reserved for new sys_remap_file_pages */
-/* Number 259 is reserved for new sys_mbind */
+   LINX_(__NR_mbind,             sys_mbind),             // 259
    LINXY(__NR_get_mempolicy,     sys_get_mempolicy),          // 260
    LINX_(__NR_set_mempolicy,     sys_set_mempolicy),          // 261
 
diff --git a/coregrind/m_syswrap/syswrap-ppc64-linux.c b/coregrind/m_syswrap/syswrap-ppc64-linux.c
index 94f51db42..d3a5b0fff 100644
--- a/coregrind/m_syswrap/syswrap-ppc64-linux.c
+++ b/coregrind/m_syswrap/syswrap-ppc64-linux.c
@@ -985,10 +985,10 @@ static SyscallTableEntry syscall_table[] = {
 // /* Number 256 is reserved for sys_debug_setcontext */
 // /* Number 257 is reserved for vserver */
 // /* 258 currently unused */
-// _____(__NR_mbind,             sys_mbind),              // 259
+   LINX_(__NR_mbind,             sys_mbind),              // 259
 
-// _____(__NR_get_mempolicy,     sys_get_mempolicy),      // 260
-// _____(__NR_set_mempolicy,     sys_set_mempolicy),      // 261
+   LINXY(__NR_get_mempolicy,     sys_get_mempolicy),      // 260
+   LINX_(__NR_set_mempolicy,     sys_set_mempolicy),      // 261
    LINXY(__NR_mq_open,           sys_mq_open),            // 262
    LINX_(__NR_mq_unlink,         sys_mq_unlink),          // 263
    LINX_(__NR_mq_timedsend,      sys_mq_timedsend),       // 264