From: Erik Andersen <andersen@codepoet.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: can we make anonymous memory non-EXECUTABLE?
Date: Wed, 9 Jan 2002 02:40:10 -0700 [thread overview]
Message-ID: <20020109094010.GA8743@codepoet.org> (raw)
In-Reply-To: <a1gar7$12t$1@cesium.transmeta.com> <E16O998-0008Vo-00@the-village.bc.nu>
In-Reply-To: <E16O998-0008Vo-00@the-village.bc.nu>
On Wed Jan 09, 2002 at 03:11:22AM +0000, Alan Cox wrote:
> > One way to do this would be to create a newbrk() syscall which takes a
> > permission argument (for new pages.)
>
> brk(), mmap().
>
> Welcome to libc 8)
Umm. How can libc implement mmap without the kernel
handing out the pages? I don't get it.
-Erik
--
Erik B. Andersen http://codepoet-consulting.com/
--This message was written using 73% post-consumer electrons--
next prev parent reply other threads:[~2002-01-09 9:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-08 0:25 can we make anonymous memory non-EXECUTABLE? David Mosberger
2002-01-08 6:02 ` David S. Miller
2002-01-08 19:12 ` David Mosberger
2002-01-08 19:32 ` Albert D. Cahalan
2002-01-09 2:44 ` H. Peter Anvin
2002-01-09 2:49 ` Rik van Riel
2002-01-09 2:52 ` H. Peter Anvin
2002-01-09 11:32 ` Rob Landley
2002-01-09 19:47 ` Doug McNaught
2002-01-09 3:11 ` Alan Cox
2002-01-09 9:40 ` Erik Andersen [this message]
2002-01-08 13:23 ` Alan Cox
2002-01-08 19:15 ` [Linux-ia64] " David Mosberger
2002-01-11 5:49 ` David Mosberger
2002-01-10 1:04 ` Paul Mackerras
2002-01-10 3:40 ` David Mosberger
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