gre: don't allow to add the same tunnel twice

[linux.git] / mm / util.c

diff --git a/mm/util.c b/mm/util.c
index a24aa22f2473690c1e2fa95514f778c6c0c616a7..d7813e6d4cc7c042c44a01692f0993a2b6bad04a 100644 (file)
--- a/mm/util.c
+++ b/mm/util.c
@@ -1,6 +1,7 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/compiler.h>
 #include <linux/export.h>
 #include <linux/err.h>
 #include <linux/sched.h>
@@ -307,7 +308,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
  * If the architecture not support this function, simply return with no
  * page pinned
  */
-int __attribute__((weak)) __get_user_pages_fast(unsigned long start,
+int __weak __get_user_pages_fast(unsigned long start,
                                 int nr_pages, int write, struct page **pages)
 {
        return 0;
@@ -338,7 +339,7 @@ EXPORT_SYMBOL_GPL(__get_user_pages_fast);
  * callers need to carefully consider what to use. On many architectures,
  * get_user_pages_fast simply falls back to get_user_pages.
  */
-int __attribute__((weak)) get_user_pages_fast(unsigned long start,
+int __weak get_user_pages_fast(unsigned long start,
                                int nr_pages, int write, struct page **pages)
 {
        struct mm_struct *mm = current->mm;