From: Andi Kleen <ak@suse.de>
To: "bibo,mao" <bibo.mao@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64 add NX mask for PTE entry
Date: Wed, 18 Oct 2006 15:15:25 +0200 [thread overview]
Message-ID: <200610181515.25372.ak@suse.de> (raw)
In-Reply-To: <453613F6.7020800@intel.com>
On Wednesday 18 October 2006 13:45, bibo,mao wrote:
> Also I think change_page_attr is buggy. if orginal page is not
> large page, when that page's previous attr is reverted revert_page()
> function will be called to make that page huge. Indeed I think
> there is no need to do this.
On x86-64 all pages in the direct mapping are initially large pages.
On i386 not necessarily, but it deals with that.
-Andi
next prev parent reply other threads:[~2006-10-18 13:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-18 9:15 [PATCH] x86_64 add NX mask for PTE entry bibo,mao
2006-10-18 10:58 ` Andi Kleen
2006-10-18 11:23 ` bibo,mao
2006-10-18 11:45 ` bibo,mao
2006-10-18 13:15 ` Andi Kleen [this message]
2006-10-19 1:35 ` bibo,mao
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