Re: remap allocator for per-CPU memory

From: Andi Kleen
Date: Wed May 13 2009 - 07:05:54 EST


Tejun Heo <teheo@xxxxxxxxxx> 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@xxxxxxxxxxxxxxx -- Speaking for myself only.
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