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Re: [PATCH] Fix sys_mount not to free_page(0)

To: torvalds@transmeta.com (Linus Torvalds)
Subject: Re: [PATCH] Fix sys_mount not to free_page(0)
From: kanoj@google.engr.sgi.com (Kanoj Sarcar)
Date: Fri, 6 Aug 1999 16:51:53 -0700 (PDT)
Cc: alan@lxorguk.ukuu.org.uk, linux-mm@kvack.org, linux-kernel@vger.rutgers.edu
In-Reply-To: <Pine.LNX.4.10.9908061618260.1889-100000@penguin.transmeta.com> from "Linus Torvalds" at Aug 6, 99 04:18:50 pm
Sender: owner-linux-mm@kvack.org

> 
> 
> 
> On Fri, 6 Aug 1999, Kanoj Sarcar wrote:
> > 
> > Could you please take this patch into the 2.2 and 2.3 streams? It
> > basically prevents sys_mount() from trying to invoke free_page(0).
> 
> Hmm..
> 
> free_page(0) is actually supposed to work. Doesn't it?
> 
> 		Linus
> 

Umm, it does ... I was thinking it was happenstance, and not by design.
I ran into a panic with some code I am trying to write and ran into 
this ... maybe I should fix my code ...

Is it worthwhile to clean this up, or do other places in the code rely
on this behavior of free_page?

Kanoj
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