linux-kernel - Re: [PATCH v4] kvm: Fix page ageing bugs

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Message-ID: <5422808B.5070002@redhat.com>
Date:	Wed, 24 Sep 2014 10:27:55 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Wanpeng Li <kernellwp@...il.com>,
	Wanpeng Li <wanpeng.li@...ux.intel.com>,
	Andres Lagar-Cavilla <andreslc@...gle.com>
CC:	Gleb Natapov <gleb@...nel.org>, Radim Krcmar <rkrcmar@...hat.com>,
	Rik van Riel <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Peter Feiner <pfeiner@...gle.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v4] kvm: Fix page ageing bugs

Il 24/09/2014 09:20, Wanpeng Li ha scritto:
> 
> This trace point still dup duplicated message for the same gfn in the
> for loop.

Yes, but the gfn argument lets you take it out again.

Note that having the duplicated trace would make sense if you included
the accessed bit for each spte, instead of just the "young" variable.

Paolo
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