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>
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
WARNING: multiple messages have this Message-ID (diff)
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
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/
next prev parent reply other threads:[~2002-01-23 19:11 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-23 17:14 [PATCH *] rmap VM, version 12 Rik van Riel
2002-01-23 17:14 ` Rik van Riel
2002-01-23 18:44 ` David S. Miller
2002-01-23 18:44 ` David S. Miller
2002-01-23 18:57 ` Rik van Riel
2002-01-23 18:57 ` Rik van Riel
2002-01-23 19:06 ` David S. Miller
2002-01-23 19:06 ` David S. Miller
2002-01-23 19:22 ` Rik van Riel
2002-01-23 19:22 ` Rik van Riel
2002-01-23 19:28 ` David S. Miller
2002-01-23 19:28 ` David S. Miller
2002-01-23 19:36 ` Rik van Riel
2002-01-23 19:36 ` Rik van Riel
2002-01-23 20:18 ` David S. Miller
2002-01-23 20:18 ` David S. Miller
2002-01-23 22:12 ` Rik van Riel
2002-01-23 22:12 ` Rik van Riel
2002-01-24 3:50 ` Andrea Arcangeli
2002-01-24 3:50 ` Andrea Arcangeli
2002-01-24 3:46 ` Andrea Arcangeli
2002-01-24 3:46 ` Andrea Arcangeli
2002-01-23 19:15 ` Robert Love [this message]
2002-01-23 19:15 ` Robert Love
-- strict thread matches above, loose matches on Subject: below --
2002-01-23 19:02 Badari Pulavarty
2002-01-23 19:02 ` Badari Pulavarty
2002-01-23 19:05 ` Rik van Riel
2002-01-23 19:05 ` Rik van Riel
2002-01-23 19:12 ` Andi Kleen
2002-01-23 19:12 ` Andi Kleen
2002-01-23 19:11 Badari Pulavarty
2002-01-23 19:11 ` Badari Pulavarty
2002-01-23 19:20 ` Rik van Riel
2002-01-23 19:20 ` Rik van Riel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1011813305.28682.14.camel@phantasy \
--to=rml@tech9.net \
--cc=davem@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=riel@conectiva.com.br \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.