MIPS: N32: Define getdents64.

As a relativly new ABI N32 should only have received the getdents64(2) but
instead it only had getdents(2).  This was noticed as a performance anomaly
in glibc.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 1b5a664..baa318a 100644 (file)
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -984,16 +984,17 @@
 #define __NR_perf_event_open           (__NR_Linux + 296)
 #define __NR_accept4                   (__NR_Linux + 297)
 #define __NR_recvmmsg                  (__NR_Linux + 298)
+#define __NR_getdents64                        (__NR_Linux + 299)
 
 /*
  * Offset of the last N32 flavoured syscall
  */
-#define __NR_Linux_syscalls            298
+#define __NR_Linux_syscalls            299
 
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 
 #define __NR_N32_Linux                 6000
-#define __NR_N32_Linux_syscalls                298
+#define __NR_N32_Linux_syscalls                299
 
 #ifdef __KERNEL__
 

diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index a5297e2..a4facee 100644 (file)
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -419,4 +419,5 @@ EXPORT(sysn32_call_table)
        PTR     sys_perf_event_open
        PTR     sys_accept4
        PTR     compat_sys_recvmmsg
+       PTR     sys_getdents
        .size   sysn32_call_table,.-sysn32_call_table