From: Avi Kivity <avi@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm-devel <kvm@vger.kernel.org>
Subject: Re: KVM: MMU: increase per-vcpu rmap cache alloc size
Date: Wed, 29 Oct 2008 11:42:31 +0200 [thread overview]
Message-ID: <49083007.3090903@redhat.com> (raw)
In-Reply-To: <20081028201658.GA15156@dmt.cnet>
Marcelo Tosatti wrote:
> The page fault path can use two rmap_desc structures, if:
>
> - walk_addr's dirty pte update allocates one rmap_desc.
> - mmu_lock is dropped, sptes are zapped resulting in rmap_desc being
> freed.
> - fetch->mmu_set_spte allocates another rmap_desc.
>
> Increase to 4 for safety.
>
Applied and queued for 2.6.28, thanks.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2008-10-29 9:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-28 20:16 KVM: MMU: increase per-vcpu rmap cache alloc size Marcelo Tosatti
2008-10-29 9:42 ` Avi Kivity [this message]
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