linux-kernel - [PATCH 3/3] kvm mmu: alloc shadow pages with __GFP

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Message-ID: <1234962540-7131-4-git-send-email-joerg.roedel@amd.com>
Date:	Wed, 18 Feb 2009 14:09:00 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 3/3] kvm mmu: alloc shadow pages with __GFP_ZERO

Not using __GFP_ZERO when allocating shadow pages triggers the
assertion in the kvm_mmu_alloc_page() when MMU debugging is enabled.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kvm/mmu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index c90b4b2..d93ecec 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -301,7 +301,7 @@ static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache,
 	if (cache->nobjs >= min)
 		return 0;
 	while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
-		page = alloc_page(GFP_KERNEL);
+		page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 		if (!page)
 			return -ENOMEM;
 		set_page_private(page, 0);
-- 
1.5.6.4


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