[PATCH v2 03/25] mm: Use VM_BUG_ON_PAGE in clear_page_dirty_for_io

Matthew Wilcox
2020-02-12T04:20:24Z

From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

Dumping the page information in this circumstance helps for debugging.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
mm/page-writeback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 2caf780a42e7..9173c25cf8e6 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2655,7 +2655,7 @@ int clear_page_dirty_for_io(struct page *page)
struct address_space *mapping = page_mapping(page);
int ret = 0;

- BUG_ON(!PageLocked(page));
+ VM_BUG_ON_PAGE(!PageLocked(page), page);

if (mapping && mapping_cap_account_dirty(mapping)) {
struct inode *inode = mapping->host;
--
2.25.0