linux-kernel - Re: [PATCH] remove PAGE_SIZE from headers

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Date:	Sat, 14 Jul 2007 20:43:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	acahalan@...il.com
Cc:	olaf@...fle.de, hpa@...or.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] remove PAGE_SIZE from headers_install

From: "Albert Cahalan" <acahalan@...il.com>
Date: Sat, 14 Jul 2007 22:48:57 -0400

> A real constant-value PAGE_SIZE is useful and doable.

It's bogus to use it.  The kernel can get recompiled
to arbitrary page sizes on some architectures, so a constat
page size assumption cannot work.

> It's useful because a getpagesize() can't be used for numerous
> things, such as setting the size of an array.

Use dynamically allocated memory for the array then.

This isn't programming 101.
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