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From: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
To: Matthew Wilcox <willy@infradead.org>,
	"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>,
	"linux-erofs@lists.ozlabs.org" <linux-erofs@lists.ozlabs.org>,
	"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
	"linux-f2fs-devel@lists.sourceforge.net" 
	<linux-f2fs-devel@lists.sourceforge.net>,
	"cluster-devel@redhat.com" <cluster-devel@redhat.com>,
	"ocfs2-devel@oss.oracle.com" <ocfs2-devel@oss.oracle.com>,
	"linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>
Subject: Re: [PATCH v5 01/13] mm: Fix the return type of __do_page_cache_readahead
Date: Tue, 11 Feb 2020 08:19:14 +0000
Message-ID: <SN4PR0401MB3598602411B75B46F5267B829B180@SN4PR0401MB3598.namprd04.prod.outlook.com> (raw)
In-Reply-To: <20200211010348.6872-2-willy@infradead.org>

On 11/02/2020 02:05, Matthew Wilcox wrote:
> even though I'm pretty sure we're not going to readahead more than 2^32
> pages ever.

And 640K is more memory than anyone will ever need on a computer *scnr*


  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-11  1:03 [PATCH v5 00/13] Change readahead API Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 01/13] mm: Fix the return type of __do_page_cache_readahead Matthew Wilcox
2020-02-11  8:19   ` Johannes Thumshirn [this message]
2020-02-11 12:34     ` Matthew Wilcox
2020-02-12 18:13   ` Christoph Hellwig
2020-02-14  3:19   ` John Hubbard
2020-02-14  4:21     ` Matthew Wilcox
2020-02-14  4:33       ` John Hubbard
2020-02-14 19:50   ` Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 02/13] mm: Ignore return value of ->readpages Matthew Wilcox
2020-02-12 18:13   ` Christoph Hellwig
2020-02-11  1:03 ` [PATCH v5 03/13] mm: Put readahead pages in cache earlier Matthew Wilcox
2020-02-14  3:36   ` John Hubbard
2020-02-15  1:15     ` Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 04/13] mm: Add readahead address space operation Matthew Wilcox
2020-02-11  4:52   ` Dave Chinner
2020-02-11 12:54     ` Matthew Wilcox
2020-02-11 20:08       ` Dave Chinner
2020-02-12 18:18   ` Christoph Hellwig
2020-02-14  5:36   ` John Hubbard
2020-02-15  1:15     ` Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 05/13] mm: Add page_cache_readahead_limit Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 06/13] fs: Convert mpage_readpages to mpage_readahead Matthew Wilcox
2020-02-13 22:09   ` Junxiao Bi
2020-02-11  1:03 ` [PATCH v5 07/13] btrfs: Convert from readpages to readahead Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 08/13] erofs: Convert uncompressed files " Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 09/13] erofs: Convert compressed " Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 10/13] ext4: Convert " Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 11/13] f2fs: " Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 12/13] fuse: " Matthew Wilcox
2020-02-11  1:03 ` [PATCH v5 13/13] iomap: " Matthew Wilcox

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