[PATCH v3 2/4] KVM: arm64: Repack struct kvm_pmu to reduce size
Oliver Upton
oupton at google.com
Mon May 9 12:57:40 PDT 2022
On Mon, May 09, 2022 at 12:03:28PM +0000, Fuad Tabba wrote:
> struct kvm_pmu has 2 holes using 10 bytes. This is instantiated
> in all vcpus, so it adds up. This repacking removes all holes.
nit: commit messages should be written in the imperative. So maybe
'Repack the structure to remove all holes'.
> No functional change intended.
>
> Signed-off-by: Fuad Tabba <tabba at google.com>
Otherwise:
Reviewed-by: Oliver Upton <oupton at google.com>
> ---
> include/kvm/arm_pmu.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
> index 20193416d214..eaa8290b116f 100644
> --- a/include/kvm/arm_pmu.h
> +++ b/include/kvm/arm_pmu.h
> @@ -21,12 +21,12 @@ struct kvm_pmc {
> };
>
> struct kvm_pmu {
> - int irq_num;
> + struct irq_work overflow_work;
> struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
> DECLARE_BITMAP(chained, ARMV8_PMU_MAX_COUNTER_PAIRS);
> + int irq_num;
> bool created;
> bool irq_level;
> - struct irq_work overflow_work;
> };
>
> struct arm_pmu_entry {
> --
> 2.36.0.512.ge40c2bad7a-goog
>
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