linux-kernel - Re: [RFC] LZO de/compression support

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Message-Id: <7A4314A3-24D8-49E2-BEEF-D760595255A2@cam.ac.uk>
Date:	Tue, 29 May 2007 09:08:27 +0100
From:	Michael-Luke Jones <mlj28@....ac.uk>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Nitin Gupta <nitingupta910@...il.com>,
	Daniel Hazelton <dhazelton@...er.net>,
	lkml <linux-kernel@...r.kernel.org>, linux-mm-cc@...top.org,
	linuxcompressed-devel@...ts.sourceforge.net,
	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Purdie <richard@...nedhand.com>,
	Bret Towe <magnade@...il.com>
Subject: Re: [RFC] LZO de/compression support - take 6

On 28 May 2007, at 18:11, Adrian Bunk wrote:

> I have not seen any explanations:
> - Why did the upstream author write the code that way?

Apparently due to his requirement for extreme portability. The  
original code was designed to work on everything from 16-bit DOS  
through CRAY supercomputers through Windows, Unices and Linux.

The author has stated on the thread that it's a good idea to remove  
unnecessary ifdefs when porting the code into the kernel, given that  
the portability requirements are obviously no longer needed.

Michael-Luke
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