| From | Matthew Wilcox <> | Subject | [PATCH v6 44/51] mm: Support retrieving tail pages from the page cache | Date | Wed, 10 Jun 2020 13:13:38 -0700 |
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From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
page->index is not meaningful for tail pages; we have to use page_to_index() in this assertion.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/filemap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/filemap.c b/mm/filemap.c index 17db007f0277..869b970fe1ab 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1652,7 +1652,7 @@ struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index, put_page(page); goto repeat; } - VM_BUG_ON_PAGE(page->index != index, page); + VM_BUG_ON_PAGE(page_to_index(page) != index, page); } if (fgp_flags & FGP_ACCESSED) -- 2.26.2
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