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From: Matthew Wilcox <willy@infradead.org>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, Hugh Dickins <hughd@google.com>,
	William Kucharski <william.kucharski@oracle.com>
Subject: Re: [PATCH v2] page cache: Store only head pages in i_pages
Date: Fri, 15 Feb 2019 12:20:57 -0800	[thread overview]
Message-ID: <20190215202056.GK12668@bombadil.infradead.org> (raw)
In-Reply-To: <20190214224115.4edwl7x72abztajb@kshutemo-mobl1>

On Fri, Feb 15, 2019 at 01:41:15AM +0300, Kirill A. Shutemov wrote:
>   - __delete_from_swap_cache() will blow up on
> 
> 	VM_BUG_ON_PAGE(entry != page + i, entry);

Right.

@@ -167,7 +167,7 @@ void __delete_from_swap_cache(struct page *page, swp_entry_t entry)
 
        for (i = 0; i < nr; i++) {
                void *entry = xas_store(&xas, NULL);
-               VM_BUG_ON_PAGE(entry != page + i, entry);
+               VM_BUG_ON_PAGE(entry != page, entry);
                set_page_private(page + i, 0);
                xas_next(&xas);
        }


  reply	other threads:[~2019-02-15 20:21 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-12 18:34 [PATCH v2] page cache: Store only head pages in i_pages Matthew Wilcox
2019-02-13 14:41 ` Jan Kara
2019-02-13 20:17   ` Matthew Wilcox
2019-02-14 16:27     ` Jan Kara
2019-02-14 13:30 ` Kirill A. Shutemov
2019-02-14 20:53   ` Matthew Wilcox
2019-02-14 22:03     ` Kirill A. Shutemov
2019-02-14 22:25       ` Matthew Wilcox
2019-02-14 21:17   ` Matthew Wilcox
2019-02-14 22:08     ` Kirill A. Shutemov
2019-02-14 22:11       ` Matthew Wilcox
2019-02-14 22:29         ` Kirill A. Shutemov
2019-02-14 22:29   ` Kirill A. Shutemov
2019-02-15 20:28     ` Matthew Wilcox
2019-02-14 22:41   ` Kirill A. Shutemov
2019-02-15 20:20     ` Matthew Wilcox [this message]
2019-02-15 21:17       ` Kirill A. Shutemov

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