From: Andi Kleen <andi@firstfloor.org>
To: Tejun Heo <teheo@novell.com>
Cc: Jan Beulich <JBeulich@novell.com>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: remap allocator for per-CPU memory
Date: Wed, 13 May 2009 13:05:37 +0200 [thread overview]
Message-ID: <87vdo5l0u6.fsf@basil.nowhere.org> (raw)
In-Reply-To: <4A0A9C70.6090803@novell.com> (Tejun Heo's message of "Wed, 13 May 2009 19:09:52 +0900")
Tejun Heo <teheo@novell.com> writes:
>
> Okay, just glanced over the pageattr code. I don't think we need any
> special provisions for this as long as the TLB is fine with having
> overlapping PMD and PTE mappings with different attributes (please
> note that these two mappings aren't occupying the same linear
> addresses - they're aliases). This is allowed, right?
Nope.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-05-13 11:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-12 15:30 remap allocator for per-CPU memory Jan Beulich
2009-05-12 15:43 ` Tejun Heo
2009-05-13 10:09 ` Tejun Heo
2009-05-13 11:05 ` Andi Kleen [this message]
2009-05-13 11:13 ` Tejun Heo
2009-05-13 11:29 ` Tejun Heo
2009-05-13 11:46 ` Andi Kleen
2009-05-13 12:51 ` Jan Beulich
[not found] ` <4A0ADE6A0200007800000BA7@novell.com>
2009-05-13 13:29 ` Tejun Heo
2009-05-13 13:44 ` Jan Beulich
2009-05-13 13:53 ` Tejun Heo
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