From mboxrd@z Thu Jan  1 00:00:00 1970
Subject: Re: zap_page_range(): TLB flush race
Date: Tue, 11 Apr 2000 12:56:59 +0100 (BST)
In-Reply-To: <20000410232149.M17648@redhat.com> from "Stephen C. Tweedie" at Apr 10, 2000 11:21:49 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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To: "Stephen C. Tweedie" <sct@redhat.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Kanoj Sarcar <kanoj@google.engr.sgi.com>, Manfred Spraul <manfreds@colorfullife.com>, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org, torvalds@transmeta.com, davem@redhat.com
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> What exactly do different architectures need which set_pte() doesn't 
> already allow them to do magic in?  

Some of them need a valid PTE to exist in order to flush a page from cache
to memory


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