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Message-ID: <20171226165624.vdarbqqx5czgeqxc@node.shutemov.name> Date: Tue, 26 Dec 2017 19:56:24 +0300 From: "Kirill A. Shutemov" <kirill@...temov.name> To: Matthew Wilcox <willy@...radead.org> Cc: linux-kernel@...r.kernel.org, Matthew Wilcox <mawilcox@...rosoft.com>, Ross Zwisler <ross.zwisler@...ux.intel.com>, David Howells <dhowells@...hat.com>, Shaohua Li <shli@...nel.org>, Jens Axboe <axboe@...nel.dk>, Rehas Sachdeva <aquannie@...il.com>, Marc Zyngier <marc.zyngier@....com>, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-xfs@...r.kernel.org, linux-usb@...r.kernel.org, linux-raid@...r.kernel.org Subject: Re: [PATCH v5 04/78] page cache: Use xa_lock On Fri, Dec 15, 2017 at 02:03:36PM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@...rosoft.com> > > Remove the address_space ->tree_lock and use the xa_lock newly added to > the radix_tree_root. Rename the address_space ->page_tree to ->pages, > since we don't really care that it's a tree. Take the opportunity to > rearrange the elements of address_space to pack them better on 64-bit, > and make the comments more useful. The description sounds a lot like three commits ;) -- Kirill A. Shutemov
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