linux-kernel - [PATCH 39/40] KVM: Add API for determining the number of supported memory slots

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Date:	Mon, 31 Mar 2008 17:37:23 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 39/40] KVM: Add API for determining the number of supported memory slots

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 arch/x86/kvm/x86.c  |    3 +++
 include/linux/kvm.h |    1 +
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 955d2ee..b7c32f6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -814,6 +814,9 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_NR_VCPUS:
 		r = KVM_MAX_VCPUS;
 		break;
+	case KVM_CAP_NR_MEMSLOTS:
+		r = KVM_MEMORY_SLOTS;
+		break;
 	default:
 		r = 0;
 		break;
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index deb9c38..e92e703 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -235,6 +235,7 @@ struct kvm_vapic_addr {
 #define KVM_CAP_EXT_CPUID 7
 #define KVM_CAP_CLOCKSOURCE 8
 #define KVM_CAP_NR_VCPUS 9       /* returns max vcpus per vm */
+#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
 
 /*
  * ioctls for VM fds
-- 
1.5.4.5

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