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From: Anton Blanchard <anton@samba.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: David Miller <davem@davemloft.net>,
	hch@infradead.org, arjan@infradead.org, zippel@linux-m68k.org,
	dmlb2000@gmail.com, linux-kernel@vger.kernel.org,
	gdb@sourceware.org
Subject: Re: PAGE_SIZE Availability Inconsistency
Date: Tue, 20 Mar 2007 21:12:02 -0500	[thread overview]
Message-ID: <20070321021202.GA11745@kryten> (raw)
In-Reply-To: <45F0E309.70403@zytor.com>


Hi,

> The advantage would be that it wouldn't require a v3 for platforms for 
> which MIN_PAGE_SIZE == PAGE_SIZE, which accounts for a very large 
> percentage of systems.
> 
> You still have to look for the darn magic in two places, so there is no 
> reason for it to be different.

The problem is if you can hit in two places then what PAGE_SIZE should
you use to size the contents of the swap header while remaining backward
compatible.

Im leaning towards Dave suggestion of creating a clean v3 swap header.

Anton

  parent reply	other threads:[~2007-03-21  2:12 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-05 23:55 PAGE_SIZE Availability Inconsistency David Brown
2007-03-05 23:59 ` Eric Dumazet
2007-03-06  0:01 ` Randy Dunlap
2007-03-06  0:03 ` David Miller
2007-03-06  0:04   ` David Brown
2007-03-06  0:26     ` David Miller
2007-03-06  2:21       ` H. Peter Anvin
2007-03-08 21:08         ` Avi Kivity
2007-03-08 22:21           ` H. Peter Anvin
2007-03-19 19:39             ` Eric W. Biederman
2007-03-06  9:29 ` Christoph Hellwig
2007-03-08  2:18   ` Roman Zippel
2007-03-08  5:28     ` David Brown
2007-03-08  8:32       ` Christoph Hellwig
2007-03-08  9:00     ` Christoph Hellwig
2007-03-08 15:53       ` Arjan van de Ven
2007-03-08 16:08         ` Christoph Hellwig
2007-03-08 16:21           ` Daniel Jacobowitz
2007-03-08 17:05           ` H. Peter Anvin
2007-03-08 17:12             ` Christoph Hellwig
2007-03-08 17:57             ` Anton Blanchard
2007-03-08 18:04               ` H. Peter Anvin
2007-03-08 21:42                 ` Anton Blanchard
2007-03-08 21:46                   ` Anton Blanchard
2007-03-08 21:48                   ` David Miller
2007-03-09  2:43                     ` Anton Blanchard
2007-03-09  4:18                       ` H. Peter Anvin
2007-03-09  4:27                         ` David Miller
2007-03-09  4:31                           ` H. Peter Anvin
2007-03-09  4:36                             ` David Miller
2007-03-21  2:12                             ` Anton Blanchard [this message]
2007-03-21  2:48                               ` H. Peter Anvin
2007-03-08 22:22                   ` H. Peter Anvin
2007-03-08 21:03               ` David Brown

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