From 184b4fef58b6ab5556c0715fb711454086433f3a Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Wed, 1 Apr 2020 21:05:00 -0700 Subject: [PATCH] mm/page-writeback.c: use VM_BUG_ON_PAGE in clear_page_dirty_for_io Dumping the page information in this circumstance helps for debugging. Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Andrew Morton Reviewed-by: Christoph Hellwig Acked-by: Kirill A. Shutemov Cc: Aneesh Kumar K.V Cc: Pankaj Gupta Link: http://lkml.kernel.org/r/20200318140253.6141-7-willy@infradead.org Signed-off-by: Linus Torvalds --- 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 ab5a3cee8ad3..d9c42d38ee47 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; -- 2.30.2