BUG_ON() Conversion in mm/swap_state.c

this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

diff --git a/mm/swap_state.c b/mm/swap_state.c
index d7af296..e0e1583 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -148,8 +148,7 @@ int add_to_swap(struct page * page, gfp_t gfp_mask)
        swp_entry_t entry;
        int err;
 
-       if (!PageLocked(page))
-               BUG();
+       BUG_ON(!PageLocked(page));
 
        for (;;) {
                entry = get_swap_page();