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kvm: x86: increase user memory slots to 509

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With the 3 private slots, this gives us 512 slots total.
Motivation for this is in addition to assigned devices
support more memory hotplug slots, where 1 slot is
used by a hotplugged memory stick.
It will allow to support upto 256 hotplug memory
slots and leave 253 slots for assigned devices and
other devices that use them.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Igor Mammedov
2014-11-06 15:52:47 +00:00
committed by Paolo Bonzini
parent d913b90435
commit 1d4e7e3c0b
1 changed files with 1 additions and 1 deletions
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arch/x86/include/asm/kvm_host.h
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@@ -33,7 +33,7 @@
#define KVM_MAX_VCPUS 255
#define KVM_SOFT_MAX_VCPUS 160
#define KVM_USER_MEM_SLOTS 125
#define KVM_USER_MEM_SLOTS 509
/* memory slots that are not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 3
#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS)