Message ID | 1425394046-20064-2-git-send-email-lcapitulino@redhat.com |
---|---|
State | New |
Headers | show |
On Tue, 3 Mar 2015 09:47:25 -0500 Luiz Capitulino <lcapitulino@redhat.com> wrote: > Add memory hotplug options to the command-line format. Also, > add a complete command-line example and improve description. > > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> > --- > qemu-options.hx | 22 +++++++++++++++++----- > 1 file changed, 17 insertions(+), 5 deletions(-) > > diff --git a/qemu-options.hx b/qemu-options.hx > index 85ca3ad..b0345ae 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -237,12 +237,24 @@ DEF("m", HAS_ARG, QEMU_OPTION_m, > "NOTE: Some architectures might enforce a specific granularity\n", > QEMU_ARCH_ALL) > STEXI > -@item -m [size=]@var{megs} > +@item -m [size=]@var{megs}[,slots=n,maxmem=size] > @findex -m > -Set virtual RAM size to @var{megs} megabytes. Default is 128 MiB. Optionally, > -a suffix of ``M'' or ``G'' can be used to signify a value in megabytes or > -gigabytes respectively. Optional pair @var{slots}, @var{maxmem} could be used > -to set amount of hotluggable memory slots and possible maximum amount of memory. > +Sets guest startup RAM size to @var{megs} megabytes. Default is 128 MiB. > +Optionally, a suffix of ``M'' or ``G'' can be used to signify a value in > +megabytes or gigabytes respectively. Optional pair @var{slots}, @var{maxmem} > +could be used to set amount of hotpluggable memory slots and maximum amount of > +memory. Note that @var{maxmem} must be aligned to the page size. > + > +For example, the following command-line sets the guest startup RAM size to > +1GB, creates 3 slots to hotplug additional memory and sets the maximum > +memory the guest can reach to 4GB: > + > +@example > +qemu-system-x86_64 -m 1G,slots=3,maxmem=4G > +@end example > + > +If @var{slots} and @var{maxmem} are not specified, memory hotplug won't > +be enabled and the guest startup RAM will never increase. > ETEXI > > DEF("mem-path", HAS_ARG, QEMU_OPTION_mempath, Reviewed-by: Igor Mammedov <imammedo@redhat.com>
On Tue, 2015-03-03 at 09:47 -0500, Luiz Capitulino wrote: > Add memory hotplug options to the command-line format. Also, > add a complete command-line example and improve description. > > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> > --- > qemu-options.hx | 22 +++++++++++++++++----- > 1 file changed, 17 insertions(+), 5 deletions(-) > > diff --git a/qemu-options.hx b/qemu-options.hx > index 85ca3ad..b0345ae 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -237,12 +237,24 @@ DEF("m", HAS_ARG, QEMU_OPTION_m, > "NOTE: Some architectures might enforce a specific granularity\n", > QEMU_ARCH_ALL) > STEXI > -@item -m [size=]@var{megs} > +@item -m [size=]@var{megs}[,slots=n,maxmem=size] > @findex -m > -Set virtual RAM size to @var{megs} megabytes. Default is 128 MiB. Optionally, > -a suffix of ``M'' or ``G'' can be used to signify a value in megabytes or > -gigabytes respectively. Optional pair @var{slots}, @var{maxmem} could be used > -to set amount of hotluggable memory slots and possible maximum amount of memory. > +Sets guest startup RAM size to @var{megs} megabytes. Default is 128 MiB. > +Optionally, a suffix of ``M'' or ``G'' can be used to signify a value in > +megabytes or gigabytes respectively. Optional pair @var{slots}, @var{maxmem} > +could be used to set amount of hotpluggable memory slots and maximum amount of > +memory. Note that @var{maxmem} must be aligned to the page size. > + > +For example, the following command-line sets the guest startup RAM size to > +1GB, creates 3 slots to hotplug additional memory and sets the maximum > +memory the guest can reach to 4GB: > + > +@example > +qemu-system-x86_64 -m 1G,slots=3,maxmem=4G > +@end example > + > +If @var{slots} and @var{maxmem} are not specified, memory hotplug won't > +be enabled and the guest startup RAM will never increase. > ETEXI > > DEF("mem-path", HAS_ARG, QEMU_OPTION_mempath, Reviewed-by: Paulo Vital <paulo.vital@profitbricks.com>
diff --git a/qemu-options.hx b/qemu-options.hx index 85ca3ad..b0345ae 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -237,12 +237,24 @@ DEF("m", HAS_ARG, QEMU_OPTION_m, "NOTE: Some architectures might enforce a specific granularity\n", QEMU_ARCH_ALL) STEXI -@item -m [size=]@var{megs} +@item -m [size=]@var{megs}[,slots=n,maxmem=size] @findex -m -Set virtual RAM size to @var{megs} megabytes. Default is 128 MiB. Optionally, -a suffix of ``M'' or ``G'' can be used to signify a value in megabytes or -gigabytes respectively. Optional pair @var{slots}, @var{maxmem} could be used -to set amount of hotluggable memory slots and possible maximum amount of memory. +Sets guest startup RAM size to @var{megs} megabytes. Default is 128 MiB. +Optionally, a suffix of ``M'' or ``G'' can be used to signify a value in +megabytes or gigabytes respectively. Optional pair @var{slots}, @var{maxmem} +could be used to set amount of hotpluggable memory slots and maximum amount of +memory. Note that @var{maxmem} must be aligned to the page size. + +For example, the following command-line sets the guest startup RAM size to +1GB, creates 3 slots to hotplug additional memory and sets the maximum +memory the guest can reach to 4GB: + +@example +qemu-system-x86_64 -m 1G,slots=3,maxmem=4G +@end example + +If @var{slots} and @var{maxmem} are not specified, memory hotplug won't +be enabled and the guest startup RAM will never increase. ETEXI DEF("mem-path", HAS_ARG, QEMU_OPTION_mempath,
Add memory hotplug options to the command-line format. Also, add a complete command-line example and improve description. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> --- qemu-options.hx | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-)