From: Robert Love <rml@tech9.net>
To: Rik van Riel <riel@conectiva.com.br>
Cc: "David S. Miller" <davem@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH *] rmap VM, version 12
Date: 23 Jan 2002 14:15:04 -0500 [thread overview]
Message-ID: <1011813305.28682.14.camel@phantasy> (raw)
In-Reply-To: <Pine.LNX.4.33L.0201231650450.32617-100000@imladris.surriel.com>
On Wed, 2002-01-23 at 13:57, Rik van Riel wrote:
> Actually, this is just using the pte_free_fast() and
> {get,free}_pgd_fast() functions on non-pae machines.
>
> I think this should be safe, unless there is a way
> we could pagefault from inside interrupts (but I don't
> think we do that).
>
> OTOH, the -preempt people will want to add preemption
> protection from the fiddling with the local pte freelist ;)
If you are using the stock mechanisms in include/asm/pgalloc.h they are
already made preempt-safe by the patch. ;)
Robert Love
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next prev parent reply other threads:[~2002-01-23 19:15 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-23 17:14 Rik van Riel
2002-01-23 18:44 ` David S. Miller
2002-01-23 18:57 ` Rik van Riel
2002-01-23 19:06 ` David S. Miller
2002-01-23 19:22 ` Rik van Riel
2002-01-23 19:28 ` David S. Miller
2002-01-23 19:36 ` Rik van Riel
2002-01-23 20:18 ` David S. Miller
2002-01-23 22:12 ` Rik van Riel
2002-01-24 3:50 ` Andrea Arcangeli
2002-01-24 3:46 ` Andrea Arcangeli
2002-01-23 19:15 ` Robert Love [this message]
2002-01-23 19:02 Badari Pulavarty
2002-01-23 19:05 ` Rik van Riel
2002-01-23 19:12 ` Andi Kleen
2002-01-23 19:11 Badari Pulavarty
2002-01-23 19:20 ` Rik van Riel
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