[PATCH] kvm: don not fail when cache is sufficient

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cleanup: don not fail when cache is sufficient

Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
---
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index c8c074c..90f666e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -304,7 +304,7 @@ static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache,
 	while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
 		obj = kmem_cache_zalloc(base_cache, GFP_KERNEL);
 		if (!obj)
-			return -ENOMEM;
+			return cache->nobjs >= min ? 0 : -ENOMEM;
 		cache->objects[cache->nobjs++] = obj;
 	}
 	return 0;
@@ -326,7 +326,7 @@ static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache,
 	while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
 		page = alloc_page(GFP_KERNEL);
 		if (!page)
-			return -ENOMEM;
+			return  cache->nobjs >= min ? 0 : -ENOMEM;
 		set_page_private(page, 0);
 		cache->objects[cache->nobjs++] = page_address(page);
 	}

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