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Re: [RFC] Page table sharing
- To: Daniel Phillips <phillips@bonn-fries.net>
- Subject: Re: [RFC] Page table sharing
- From: Hugh Dickins <hugh@veritas.com>
- Date: Wed, 20 Feb 2002 14:38:58 +0000 (GMT)
- cc: Linus Torvalds <torvalds@transmeta.com>,Rik van Riel <riel@conectiva.com.br>, dmccr@us.ibm.com,Kernel Mailing List <linux-kernel@vger.kernel.org>,linux-mm@kvack.org, Robert Love <rml@tech9.net>, mingo@redhat.com,Andrew Morton <akpm@zip.com.au>, manfred@colorfullife.com,wli@holomorphy.com
- Fake-Sender: owner-linux-mm@kvack.org
- In-Reply-To: <E16dXRt-0001Lo-00@starship.berlin>
- Original-Recipient: rfc822;linux-mm-archive@humbolt.geo.uu.nl
- Sender: Rik van Riel <riel@nl.linux.org>
On Wed, 20 Feb 2002, Daniel Phillips wrote:
>
> Looking at the current try_to_swap_out code I see only a local invalidate,
> flush_tlb_page(vma, address), why is that? How do we know that this mm could
> not be in context on another cpu?
I made the same mistake a few months ago: not noticing #ifndef CONFIG_SMP
in the header. arch/i386/kernel/smp.c has the real i386 flush_tlb_page().
Hugh
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