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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) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Link: http://lkml.kernel.org/r/20200318140253.6141-7-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2020-04-01 21:05:00 -07:00 committed by Linus Torvalds
parent ec84821507
commit 184b4fef58
1 changed files with 1 additions and 1 deletions
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mm/page-writeback.c
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@ -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;