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Date: Sun, 10 Aug 2003 01:30:41 -0700
From: "David S. Miller" <davem@redhat.com>
To: "YOSHIFUJI Hideaki / _$B5HF#1QL@" <yoshfuji@linux-ipv6.org>
Cc: jmorris@intercode.com.au, yoshfuji@linux-ipv6.org,
       linux-kernel@vger.kernel.org
Subject: Re: virt_to_offset() (Re: [RFC][PATCH] Make cryptoapi
 non-optional?)
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On Sun, 10 Aug 2003 17:32:15 +0900 (JST)
YOSHIFUJI Hideaki / _$B5HF#1QL@ <yoshfuji@linux-ipv6.org> wrote:

> BTW, we spread ((long) ptr & ~PAGE_MASK); it seems ugly.
> Why don't we have vert_to_offset(ptr) or something like this?
> #define virt_to_offset(ptr) ((unsigned long) (ptr) & ~PAGE_MASK)
> Is this bad idea?

With some name like "virt_to_pageoff()" it sounds like a great
idea.