diff options
| author | Luiz Capitulino <lcapitulino@redhat.com> | 2012-09-05 16:50:16 -0300 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2012-09-17 10:18:47 -0500 |
| commit | 8490fc78e708eaaaa20f06b5efe190bfeabe0064 (patch) | |
| tree | 1c47c68f353c5d2e55a3446ba80d5b470aa46678 /qemu-options.hx | |
| parent | 89c33337fd21930de671a6e34793e8b1ee257e2e (diff) | |
add -machine mem-merge=on|off option
It allows to disable memory merge support (KSM on Linux), which is
enabled by default otherwise.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index 804a2d1739..5f96f356c3 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -38,7 +38,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " supported accelerators are kvm, xen, tcg (default: tcg)\n" " kernel_irqchip=on|off controls accelerated irqchip support\n" " kvm_shadow_mem=size of KVM shadow MMU\n" - " dump-guest-core=on|off include guest memory in a core dump (default=on)\n", + " dump-guest-core=on|off include guest memory in a core dump (default=on)\n" + " mem-merge=on|off controls memory merge support (default: on)\n", QEMU_ARCH_ALL) STEXI @item -machine [type=]@var{name}[,prop=@var{value}[,...]] @@ -57,6 +58,10 @@ Enables in-kernel irqchip support for the chosen accelerator when available. Defines the size of the KVM shadow MMU. @item dump-guest-core=on|off Include guest memory in a core dump. The default is on. +@item mem-merge=on|off +Enables or disables memory merge support. This feature, when supported by +the host, de-duplicates identical memory pages among VMs instances +(enabled by default). @end table ETEXI |