MIPS: CVE-2009-0029: Enable syscall wrappers.

Thanks to David Daney helping with debugging and testing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>

arch/mips/mm/cache.c

@@ -13,6 +13,7 @@
 #include <linux/linkage.h>
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/syscalls.h>
 #include <linux/mm.h>
 
 #include <asm/cacheflush.h>
@@ -58,8 +59,8 @@ EXPORT_SYMBOL(_dma_cache_wback_inv);
  * We could optimize the case where the cache argument is not BCACHE but
  * that seems very atypical use ...
  */
-asmlinkage int sys_cacheflush(unsigned long addr,
-	unsigned long bytes, unsigned int cache)
+SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes,
+	unsigned int, cache)
 {
 	if (bytes == 0)
 		return 0;