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KVM: Add API for determining the number of supported memory slots

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Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-02-20 11:59:20 +02:00
parent edbe6c325d
commit a988b910ef
2 changed files with 4 additions and 0 deletions
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3
arch/x86/kvm/x86.c
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@ -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;

1
include/linux/kvm.h
View file

@ -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