linux-kernel - Re: [PATCH 9/9] KVM: x86: pass struct kvm_mmu_page to account/unaccount

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Message-ID: <20150520201248.GA24014@potion.brq.redhat.com>
Date:	Wed, 20 May 2015 22:12:48 +0200
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Takuya Yoshikawa <yoshikawa_takuya_b1@....ntt.co.jp>,
	Xiao Guangrong <guangrong.xiao@...ux.intel.com>
Subject: Re: [PATCH 9/9] KVM: x86: pass struct kvm_mmu_page to
 account/unaccount_shadowed

2015-05-19 19:25+0200, Paolo Bonzini:
> Prepare for multiple address spaces this way, since a VCPU is not available
> where unaccount_shadowed is called.  We will get to the right kvm_memslots
> 1truct through the role field in struct kvm_mmu_page.

struct kvm_mmu_page contains enough information to retrieve a memslot;
is it impractical to cache the memslot pointer there?
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