Re: [PATCHv6 08/37] filemap: handle huge pages in do_generic_file_read()
From: Matthew Wilcox <willy@infradead.org>
Date: 2017-02-13 16:09:59
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linux-ext4, linux-fsdevel, linux-mm, lkml
On Mon, Feb 13, 2017 at 08:01:17AM -0800, Matthew Wilcox wrote:
On Mon, Feb 13, 2017 at 06:33:42PM +0300, Kirill A. Shutemov wrote:quoted
No. pagecache_get_page() returns subpage. See description of the first patch.
Oh, I re-read patch 1 and it made sense now. I missed the bit where pagecache_get_page() called page_subpage().