net/mlx4_core: Fix reset flow when in command polling mode

[linux-2.6-block.git] / mm / debug.c

diff --git a/mm/debug.c b/mm/debug.c
index 0abb987dad9b3d697f252469d2111dc61f530913..1611cf00a13750e17694d7d71cdd27acd725d50f 100644 (file)
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -44,7 +44,7 @@ const struct trace_print_flags vmaflag_names[] = {
 
 void __dump_page(struct page *page, const char *reason)
 {
-       struct address_space *mapping = page_mapping(page);
+       struct address_space *mapping;
        bool page_poisoned = PagePoisoned(page);
        int mapcount;
 
@@ -58,6 +58,8 @@ void __dump_page(struct page *page, const char *reason)
                goto hex_only;
        }
 
+       mapping = page_mapping(page);
+
        /*
         * Avoid VM_BUG_ON() in page_mapcount().
         * page->_mapcount space in struct page is used by sl[aou]b pages to