From: Ingo Molnar <mingo@elte.hu>
To: "Albert D. Cahalan" <acahalan@cs.uml.edu>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: [patch] pae-2.4.3-C3
Date: Thu, 29 Mar 2001 09:14:32 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.30.0103290754110.918-100000@elte.hu> (raw)
In-Reply-To: <200103290610.f2T6A7s282810@saturn.cs.uml.edu>
On Thu, 29 Mar 2001, Albert D. Cahalan wrote:
> > the problem is that redzoning is enabled unconditionally, and SLAB has no
> > information about how crutial alignment is in the case of any particular
> > SLAB cache. The CPU generates a general protection fault if in PAE mode a
> > non-16-byte aligned pgd is loaded into %cr3.
>
> How about just fixing the debug code to align things? Sure it wastes a
> bit of memory, but debug code is like that.
redzoning also catches code which assumes specific alignment.
Ingo
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prev parent reply other threads:[~2001-03-29 7:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-28 9:57 Ingo Molnar
2001-03-29 6:10 ` Albert D. Cahalan
2001-03-29 7:14 ` Ingo Molnar [this message]
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