[v2,03/21] KVM: x86/mmu: Use consistent "mc" name for kvm_mmu_memory_cache locals
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Message ID 20200622200822.4426-4-sean.j.christopherson@intel.com
State Superseded
Headers show
Series
  • KVM: Cleanup and unify kvm_mmu_memory_cache usage
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Commit Message

Sean Christopherson June 22, 2020, 8:08 p.m. UTC
Use "mc" for local variables to shorten line lengths and provide
consistent names, which will be especially helpful when some of the
helpers are moved to common KVM code in future patches.

No functional change intended.

Reviewed-by: Ben Gardon <bgardon@google.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kvm/mmu/mmu.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

Patch
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diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index cbc101663a89..36c90f004ef4 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1060,27 +1060,27 @@  static void walk_shadow_page_lockless_end(struct kvm_vcpu *vcpu)
 	local_irq_enable();
 }
 
-static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache, int min)
+static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *mc, int min)
 {
 	void *obj;
 
-	if (cache->nobjs >= min)
+	if (mc->nobjs >= min)
 		return 0;
-	while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
-		if (cache->kmem_cache)
-			obj = kmem_cache_zalloc(cache->kmem_cache, GFP_KERNEL_ACCOUNT);
+	while (mc->nobjs < ARRAY_SIZE(mc->objects)) {
+		if (mc->kmem_cache)
+			obj = kmem_cache_zalloc(mc->kmem_cache, GFP_KERNEL_ACCOUNT);
 		else
 			obj = (void *)__get_free_page(GFP_KERNEL_ACCOUNT);
 		if (!obj)
-			return cache->nobjs >= min ? 0 : -ENOMEM;
-		cache->objects[cache->nobjs++] = obj;
+			return mc->nobjs >= min ? 0 : -ENOMEM;
+		mc->objects[mc->nobjs++] = obj;
 	}
 	return 0;
 }
 
-static int mmu_memory_cache_free_objects(struct kvm_mmu_memory_cache *cache)
+static int mmu_memory_cache_free_objects(struct kvm_mmu_memory_cache *mc)
 {
-	return cache->nobjs;
+	return mc->nobjs;
 }
 
 static void mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc)
@@ -1395,10 +1395,10 @@  static struct kvm_rmap_head *gfn_to_rmap(struct kvm *kvm, gfn_t gfn,
 
 static bool rmap_can_add(struct kvm_vcpu *vcpu)
 {
-	struct kvm_mmu_memory_cache *cache;
+	struct kvm_mmu_memory_cache *mc;
 
-	cache = &vcpu->arch.mmu_pte_list_desc_cache;
-	return mmu_memory_cache_free_objects(cache);
+	mc = &vcpu->arch.mmu_pte_list_desc_cache;
+	return mmu_memory_cache_free_objects(mc);
 }
 
 static int rmap_add(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn)