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Date: Mon, 01 Dec 2014 18:38:34 +0100 From: Paolo Bonzini <pbonzini@...hat.com> To: Igor Mammedov <imammedo@...hat.com>, linux-kernel@...r.kernel.org CC: kvm@...r.kernel.org Subject: Re: [PATCH 0/5] kvm: memslots lookup optimization On 01/12/2014 18:29, Igor Mammedov wrote: > Series speed-ups GFN to memslot lookup time by: > * introducing LRU cache, which improves looukup time for > same slot workload (typically boot time of Windows and Linux guest) > * switching to binary search for GFN to memslot lookup, > improving lookup time with large amount of memory slots > > Igor Mammedov (5): > kvm: update_memslots: drop not needed check for the same number of > pages > kvm: update_memslots: drop not needed check for the same slot > kvm: search_memslots: add simple LRU memslot caching > kvm: change memslot sorting rule from size to GFN > kvm: optimize GFN to memslot lookup with large slots amount > > include/linux/kvm_host.h | 28 +++++++++++++++++++++++----- > virt/kvm/kvm_main.c | 46 ++++++++++++++++++++++++++-------------------- > 2 files changed, 49 insertions(+), 25 deletions(-) > Applied patches 1-3 for now, I'm not in the mood for proving that the binary search is correct. :) Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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