Andrew Morton writes:
> On Wed, 10 Oct 2012 16:34:37 -0700
> Jeremy Fitzhardinge wrote:
>
>> On 10/09/2012 06:14 PM, Andrew Morton wrote:
>> > On Wed, 10 Oct 2012 00:09:12 + KY Srinivasan
>> > wrote:
>> >
>> + if (!pg) {
>> + *alloc_error = true
On Wed, 10 Oct 2012 16:34:37 -0700
Jeremy Fitzhardinge wrote:
> On 10/09/2012 06:14 PM, Andrew Morton wrote:
> > On Wed, 10 Oct 2012 00:09:12 + KY Srinivasan wrote:
> >
> +if (!pg) {
> +*alloc_error = true;
> +ret
On 10/09/2012 06:14 PM, Andrew Morton wrote:
> On Wed, 10 Oct 2012 00:09:12 + KY Srinivasan wrote:
>
+ if (!pg) {
+ *alloc_error = true;
+ return i * alloc_unit;
+ }
+
+ totalram_pages -= alloc_unit;
>>>
On 10/09/2012 09:44 PM, Andrew Morton wrote:
> On Sun, 7 Oct 2012 16:59:46 -0700
> "K. Y. Srinivasan" wrote:
>
>> Add the basic balloon driver.
>
> hm, how many balloon drivers does one kernel need?
>
> Although I see that the great majority of this code is hypervisor-specific.
Much like each
canonical.com;
> a...@firstfloor.org
> Subject: Re: [PATCH 2/2] Drivers: hv: Add Hyper-V balloon driver
>
> On Wed, 10 Oct 2012 00:09:12 + KY Srinivasan wrote:
>
> > > > + if (!pg) {
> > > > + *alloc_error = tr
On Wed, 10 Oct 2012 00:09:12 + KY Srinivasan wrote:
> > > + if (!pg) {
> > > + *alloc_error = true;
> > > + return i * alloc_unit;
> > > + }
> > > +
> > > + totalram_pages -= alloc_unit;
> >
> > Well, I'd consider totalram_pages to be a
canonical.com;
> a...@firstfloor.org
> Subject: Re: [PATCH 2/2] Drivers: hv: Add Hyper-V balloon driver
>
> On Sun, 7 Oct 2012 16:59:46 -0700
> "K. Y. Srinivasan" wrote:
>
> > Add the basic balloon driver.
>
> hm, how many balloon drivers does one kernel need?
&
On Sun, 7 Oct 2012 16:59:46 -0700
"K. Y. Srinivasan" wrote:
> Add the basic balloon driver.
hm, how many balloon drivers does one kernel need?
Although I see that the great majority of this code is hypervisor-specific.
> Windows hosts dynamically manage the guest
> memory allocation via a com
-foundation.org; a...@firstfloor.org
> Cc: KY Srinivasan
> Subject: Re: [PATCH 2/2] Drivers: hv: Add Hyper-V balloon driver
>
> "K. Y. Srinivasan" writes:
> > +static int hot_add;
> > +
> > +module_param(hot_add, int, S_IRUGO);
> > +MODULE_PARM_DESC(hot
"K. Y. Srinivasan" writes:
> +static int hot_add;
> +
> +module_param(hot_add, int, S_IRUGO);
> +MODULE_PARM_DESC(hot_add, "If set attempt memory hot_add");
I think this should be a 'bool', but I can't tell, since it's not used
in this patch.
Cheers,
Rusty.
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> Subject: Re: [PATCH 2/2] Drivers: hv: Add Hyper-V balloon driver
>
> On Sun, Oct 07, 2012 at 04:59:46PM -0700, K. Y. Srinivasan wrote:
> > +config HYPERV_BALLOON
> > + tristate "Microsoft Hyper-V Balloon driver"
> > + depends on HYPE
On Sun, Oct 07, 2012 at 04:59:46PM -0700, K. Y. Srinivasan wrote:
> +config HYPERV_BALLOON
> + tristate "Microsoft Hyper-V Balloon driver"
> + depends on HYPERV
> + help
> + Select this option to enable the Hyper-V Utilities.
Your help text is wrong :(
> --- /dev/null
> +++ b/dr
Add the basic balloon driver. Windows hosts dynamically manage the guest
memory allocation via a combination memory hot add and ballooning. Memory
hot add is used to grow the guest memory upto the maximum memory that can be
allocatted to the guest. Ballooning is used to both shrink as well as expan
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