diff options
| author | Andrew Morton <[email protected]> | 2016-10-07 17:00:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-10-07 18:46:29 -0700 |
| commit | cc30c5d6461a2813406f7f84d581643781922a82 (patch) | |
| tree | 663ceb261feec5694904bbed32a02b64b891d814 | |
| parent | a104808e212a9ee97e6b9cb6945185e50905f009 (diff) | |
mm/page_io.c: replace some BUG_ON()s with VM_BUG_ON_PAGE()
So they are CONFIG_DEBUG_VM-only and more informative.
Cc: Al Viro <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Santosh Shilimkar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/page_io.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index eafe5ddc2b54..a2651f58c86a 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -264,7 +264,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, int ret; struct swap_info_struct *sis = page_swap_info(page); - BUG_ON(!PageSwapCache(page)); + VM_BUG_ON_PAGE(!PageSwapCache(page), page); if (sis->flags & SWP_FILE) { struct kiocb kiocb; struct file *swap_file = sis->swap_file; @@ -338,7 +338,7 @@ int swap_readpage(struct page *page) int ret = 0; struct swap_info_struct *sis = page_swap_info(page); - BUG_ON(!PageSwapCache(page)); + VM_BUG_ON_PAGE(!PageSwapCache(page), page); VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(PageUptodate(page), page); if (frontswap_load(page) == 0) { @@ -388,7 +388,8 @@ int swap_set_page_dirty(struct page *page) if (sis->flags & SWP_FILE) { struct address_space *mapping = sis->swap_file->f_mapping; - BUG_ON(!PageSwapCache(page)); + + VM_BUG_ON_PAGE(!PageSwapCache(page), page); return mapping->a_ops->set_page_dirty(page); } else { return __set_page_dirty_no_writeback(page); |