forked from Minki/linux
KVM: MMU: fix missing percpu counter destroy
commit ad05c88266b4cce1c820928ce8a0fb7690912ba1 (KVM: create aggregate kvm_total_used_mmu_pages value) introduce percpu counter kvm_total_used_mmu_pages but never destroy it, this may cause oops when rmmod & modprobe. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Acked-by: Tim Pepper <lnxninja@linux.vnet.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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@ -3185,6 +3185,7 @@ static void mmu_destroy_caches(void)
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void kvm_mmu_module_exit(void)
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{
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mmu_destroy_caches();
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percpu_counter_destroy(&kvm_total_used_mmu_pages);
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unregister_shrinker(&mmu_shrinker);
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}
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@ -3207,7 +3208,9 @@ int kvm_mmu_module_init(void)
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if (!mmu_page_header_cache)
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goto nomem;
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percpu_counter_init(&kvm_total_used_mmu_pages, 0);
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if (percpu_counter_init(&kvm_total_used_mmu_pages, 0))
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goto nomem;
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register_shrinker(&mmu_shrinker);
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return 0;
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