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KVM: MMU: Drop unused return value of kvm_mmu_remove_some_alloc_mmu_pages 

freed_pages is never evaluated, so remove it as well as the return code
kvm_mmu_remove_some_alloc_mmu_pages so far delivered to its only user.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
hifive-unleashed-5.1
Jan Kiszka 2011-12-02 18:35:24 +01:00 committed by Avi Kivity
parent 086c985501
commit 3d56cbdf35
1 changed files with 6 additions and 6 deletions
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12
arch/x86/kvm/mmu.c
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@ -3890,14 +3890,14 @@ restart:
spin_unlock(&kvm->mmu_lock);
}
static int kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
struct list_head *invalid_list)
static void kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
struct list_head *invalid_list)
{
struct kvm_mmu_page *page;
page = container_of(kvm->arch.active_mmu_pages.prev,
struct kvm_mmu_page, link);
return kvm_mmu_prepare_zap_page(kvm, page, invalid_list);
kvm_mmu_prepare_zap_page(kvm, page, invalid_list);
}
static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
@ -3912,15 +3912,15 @@ static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc)
raw_spin_lock(&kvm_lock);
list_for_each_entry(kvm, &vm_list, vm_list) {
int idx, freed_pages;
int idx;
LIST_HEAD(invalid_list);
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
if (!kvm_freed && nr_to_scan > 0 &&
kvm->arch.n_used_mmu_pages > 0) {
freed_pages = kvm_mmu_remove_some_alloc_mmu_pages(kvm,
&invalid_list);
kvm_mmu_remove_some_alloc_mmu_pages(kvm,
&invalid_list);
kvm_freed = kvm;
}
nr_to_scan--;