linux-kernel - Re: [PATCH] KVM: Reorder fields in 'struct kvm_mmu_memory

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Message-ID: <b80bdc6d-a9f9-249e-77fd-bc5c553126df@grsecurity.net>
Date:   Fri, 17 Feb 2023 20:33:05 +0100
From:   Mathias Krause <minipli@...ecurity.net>
To:     Sean Christopherson <seanjc@...gle.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH] KVM: Reorder fields in 'struct kvm_mmu_memory_cache'

On 17.02.23 17:41, Sean Christopherson wrote:
> On Fri, Feb 17, 2023, Christophe JAILLET wrote:
>> Group some variables based on their sizes to reduce hole and avoid padding.
>> On x86_64, this shrinks the size from 40 to 32 bytes.
> 
> Heh, a hair too late[*].  Unless I'm mistaken, Mathias will be sending a new
> version in the not-too-distant future.

Jepp, patches should appear here anytime soon:

https://lore.kernel.org/kvm/20230217193336.15278-1-minipli@grsecurity.net

> 
> Thanks!
> 
> [*] https://lore.kernel.org/all/Y+puefrgtqf430fs@google.com