linux-kernel - [PATCH] kvm/arm: return 0 when the number of objects is not less than min

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Date:   Wed, 5 Dec 2018 09:15:51 +0800
From:   Peng Hao <peng.hao2@....com.cn>
To:     christoffer.dall@....com, marc.zyngier@....com
Cc:     linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org, Peng Hao <peng.hao2@....com.cn>
Subject: [PATCH]  kvm/arm: return 0 when the number of objects is not less than min

Return 0 when there is enough kvm_mmu_memory_cache object.

Signed-off-by: Peng Hao <peng.hao2@....com.cn>
---
 virt/kvm/arm/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index ed162a6..fcda0ce 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -127,7 +127,7 @@ static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache,
 	while (cache->nobjs < max) {
 		page = (void *)__get_free_page(PGALLOC_GFP);
 		if (!page)
-			return -ENOMEM;
+			return cache->nobjs >= min ? 0 : -ENOMEM;
 		cache->objects[cache->nobjs++] = page;
 	}
 	return 0;
-- 
1.8.3.1