X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Ffilemap.c;h=23acefe51808fdf0b8ed7ec3a7a5c92ee424cad1;hb=5872fb94f85d2e4fdef94657bd14e1a492df9825;hp=ceba0bd0366261740b27c8f19785ae8857eeb8c8;hpb=abede81c4fb2e3b85d8760f25e3da39d2c69a134;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/filemap.c b/mm/filemap.c
index ceba0bd03662..23acefe51808 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1374,7 +1374,7 @@ do_readahead(struct address_space *mapping, struct file *filp,
 	return 0;
 }
 
-asmlinkage ssize_t sys_readahead(int fd, loff_t offset, size_t count)
+SYSCALL_DEFINE(readahead)(int fd, loff_t offset, size_t count)
 {
 	ssize_t ret;
 	struct file *file;
@@ -1393,6 +1393,13 @@ asmlinkage ssize_t sys_readahead(int fd, loff_t offset, size_t count)
 	}
 	return ret;
 }
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+asmlinkage long SyS_readahead(long fd, loff_t offset, long count)
+{
+	return SYSC_readahead((int) fd, offset, (size_t) count);
+}
+SYSCALL_ALIAS(sys_readahead, SyS_readahead);
+#endif
 
 #ifdef CONFIG_MMU
 /**