On Mon, Feb 11, 2019 at 04:09:53PM -0800, Alexander Duyck wrote:
> On Mon, 2019-02-11 at 17:52 -0500, Michael S. Tsirkin wrote:
> > On Mon, Feb 11, 2019 at 01:00:53PM -0800, Alexander Duyck wrote:
> > > On Mon, 2019-02-11 at 14:54 -0500, Michael S. Tsirkin wrote:
> > > > On Mon, Feb 11, 2019 at 10:
On Mon, Feb 11, 2019 at 01:00:53PM -0800, Alexander Duyck wrote:
> On Mon, 2019-02-11 at 14:54 -0500, Michael S. Tsirkin wrote:
> > On Mon, Feb 11, 2019 at 10:10:06AM -0800, Alexander Duyck wrote:
> > > On Mon, 2019-02-11 at 12:36 -0500, Michael S. Tsirkin wrote:
> > > > On Mon, Feb 11, 2019 at 08:
On Mon, 2019-02-11 at 14:54 -0500, Michael S. Tsirkin wrote:
> On Mon, Feb 11, 2019 at 10:10:06AM -0800, Alexander Duyck wrote:
> > On Mon, 2019-02-11 at 12:36 -0500, Michael S. Tsirkin wrote:
> > > On Mon, Feb 11, 2019 at 08:31:34AM -0800, Alexander Duyck wrote:
> > > > On Sat, 2019-02-09 at 19:49
On Mon, Feb 11, 2019 at 10:19:17AM -0800, Dave Hansen wrote:
> On 2/11/19 9:58 AM, Michael S. Tsirkin wrote:
> >>> Really it seems we want a virtio ring so we can pass a batch of these.
> >>> E.g. 256 entries, 2M each - that's more like it.
> >> That only makes sense for a system that's doing high-
On Mon, Feb 11, 2019 at 10:10:06AM -0800, Alexander Duyck wrote:
> On Mon, 2019-02-11 at 12:36 -0500, Michael S. Tsirkin wrote:
> > On Mon, Feb 11, 2019 at 08:31:34AM -0800, Alexander Duyck wrote:
> > > On Sat, 2019-02-09 at 19:49 -0500, Michael S. Tsirkin wrote:
> > > > On Mon, Feb 04, 2019 at 10:
On 2/11/19 9:58 AM, Michael S. Tsirkin wrote:
>>> Really it seems we want a virtio ring so we can pass a batch of these.
>>> E.g. 256 entries, 2M each - that's more like it.
>> That only makes sense for a system that's doing high-frequency,
>> discontiguous frees of 2M pages. Right now, a 2M free/
On Mon, 2019-02-11 at 12:36 -0500, Michael S. Tsirkin wrote:
> On Mon, Feb 11, 2019 at 08:31:34AM -0800, Alexander Duyck wrote:
> > On Sat, 2019-02-09 at 19:49 -0500, Michael S. Tsirkin wrote:
> > > On Mon, Feb 04, 2019 at 10:15:52AM -0800, Alexander Duyck wrote:
> > > > From: Alexander Duyck
> >
On Mon, Feb 11, 2019 at 09:48:11AM -0800, Dave Hansen wrote:
> On 2/9/19 4:49 PM, Michael S. Tsirkin wrote:
> > On Mon, Feb 04, 2019 at 10:15:52AM -0800, Alexander Duyck wrote:
> >> From: Alexander Duyck
> >>
> >> Add guest support for providing free memory hints to the KVM hypervisor for
> >> fre
On 2/9/19 4:49 PM, Michael S. Tsirkin wrote:
> On Mon, Feb 04, 2019 at 10:15:52AM -0800, Alexander Duyck wrote:
>> From: Alexander Duyck
>>
>> Add guest support for providing free memory hints to the KVM hypervisor for
>> freed pages huge TLB size or larger. I am restricting the size to
>> huge TL
On Mon, Feb 11, 2019 at 08:31:34AM -0800, Alexander Duyck wrote:
> On Sat, 2019-02-09 at 19:49 -0500, Michael S. Tsirkin wrote:
> > On Mon, Feb 04, 2019 at 10:15:52AM -0800, Alexander Duyck wrote:
> > > From: Alexander Duyck
> > >
> > > Add guest support for providing free memory hints to the KVM
On Sat, 2019-02-09 at 19:49 -0500, Michael S. Tsirkin wrote:
> On Mon, Feb 04, 2019 at 10:15:52AM -0800, Alexander Duyck wrote:
> > From: Alexander Duyck
> >
> > Add guest support for providing free memory hints to the KVM hypervisor for
> > freed pages huge TLB size or larger. I am restricting t
On Mon, Feb 04, 2019 at 10:15:52AM -0800, Alexander Duyck wrote:
> From: Alexander Duyck
>
> Add guest support for providing free memory hints to the KVM hypervisor for
> freed pages huge TLB size or larger. I am restricting the size to
> huge TLB order and larger because the hypercalls are too e
On Fri, 2019-02-08 at 16:05 -0500, Nitesh Narayan Lal wrote:
> On 2/7/19 1:44 PM, Alexander Duyck wrote:
> > On Thu, 2019-02-07 at 13:21 -0500, Luiz Capitulino wrote:
> > > On Mon, 04 Feb 2019 10:15:52 -0800
> > > Alexander Duyck wrote:
> > >
> > > > From: Alexander Duyck
> > > >
> > > > Add gu
On 2/7/19 1:44 PM, Alexander Duyck wrote:
> On Thu, 2019-02-07 at 13:21 -0500, Luiz Capitulino wrote:
>> On Mon, 04 Feb 2019 10:15:52 -0800
>> Alexander Duyck wrote:
>>
>>> From: Alexander Duyck
>>>
>>> Add guest support for providing free memory hints to the KVM hypervisor for
>>> freed pages h
On Thu, 07 Feb 2019 10:44:11 -0800
Alexander Duyck wrote:
> On Thu, 2019-02-07 at 13:21 -0500, Luiz Capitulino wrote:
> > On Mon, 04 Feb 2019 10:15:52 -0800
> > Alexander Duyck wrote:
> >
> > > From: Alexander Duyck
> > >
> > > Add guest support for providing free memory hints to the KVM hy
On Thu, 2019-02-07 at 13:21 -0500, Luiz Capitulino wrote:
> On Mon, 04 Feb 2019 10:15:52 -0800
> Alexander Duyck wrote:
>
> > From: Alexander Duyck
> >
> > Add guest support for providing free memory hints to the KVM hypervisor for
> > freed pages huge TLB size or larger. I am restricting the s
On Mon, 04 Feb 2019 10:15:52 -0800
Alexander Duyck wrote:
> From: Alexander Duyck
>
> Add guest support for providing free memory hints to the KVM hypervisor for
> freed pages huge TLB size or larger. I am restricting the size to
> huge TLB order and larger because the hypercalls are too expens
On Mon, 2019-02-04 at 17:46 -0800, Nadav Amit wrote:
> > On Feb 4, 2019, at 4:16 PM, Alexander Duyck
> > wrote:
> >
> > On Mon, Feb 4, 2019 at 4:03 PM Nadav Amit wrote:
> > > > On Feb 4, 2019, at 3:37 PM, Alexander Duyck
> > > > wrote:
> > > >
> > > > On Mon, 2019-02-04 at 15:00 -0800, Nadav
> On Feb 4, 2019, at 4:16 PM, Alexander Duyck wrote:
>
> On Mon, Feb 4, 2019 at 4:03 PM Nadav Amit wrote:
>>> On Feb 4, 2019, at 3:37 PM, Alexander Duyck
>>> wrote:
>>>
>>> On Mon, 2019-02-04 at 15:00 -0800, Nadav Amit wrote:
> On Feb 4, 2019, at 10:15 AM, Alexander Duyck
> wrote:
>
On Mon, Feb 4, 2019 at 4:03 PM Nadav Amit wrote:
>
> > On Feb 4, 2019, at 3:37 PM, Alexander Duyck
> > wrote:
> >
> > On Mon, 2019-02-04 at 15:00 -0800, Nadav Amit wrote:
> >>> On Feb 4, 2019, at 10:15 AM, Alexander Duyck
> >>> wrote:
> >>>
> >>> From: Alexander Duyck
> >>>
> >>> Add guest su
> On Feb 4, 2019, at 3:37 PM, Alexander Duyck
> wrote:
>
> On Mon, 2019-02-04 at 15:00 -0800, Nadav Amit wrote:
>>> On Feb 4, 2019, at 10:15 AM, Alexander Duyck
>>> wrote:
>>>
>>> From: Alexander Duyck
>>>
>>> Add guest support for providing free memory hints to the KVM hypervisor for
>>> f
On Mon, 2019-02-04 at 15:00 -0800, Nadav Amit wrote:
> > On Feb 4, 2019, at 10:15 AM, Alexander Duyck
> > wrote:
> >
> > From: Alexander Duyck
> >
> > Add guest support for providing free memory hints to the KVM hypervisor for
> > freed pages huge TLB size or larger. I am restricting the size
> On Feb 4, 2019, at 10:15 AM, Alexander Duyck
> wrote:
>
> From: Alexander Duyck
>
> Add guest support for providing free memory hints to the KVM hypervisor for
> freed pages huge TLB size or larger. I am restricting the size to
> huge TLB order and larger because the hypercalls are too expen
On Mon, 2019-02-04 at 11:44 -0800, Dave Hansen wrote:
> On 2/4/19 10:15 AM, Alexander Duyck wrote:
> > +#ifdef CONFIG_KVM_GUEST
> > +#include
> > +extern struct static_key_false pv_free_page_hint_enabled;
> > +
> > +#define HAVE_ARCH_FREE_PAGE
> > +void __arch_free_page(struct page *page, unsigned
On 2/4/19 10:15 AM, Alexander Duyck wrote:
> +#ifdef CONFIG_KVM_GUEST
> +#include
> +extern struct static_key_false pv_free_page_hint_enabled;
> +
> +#define HAVE_ARCH_FREE_PAGE
> +void __arch_free_page(struct page *page, unsigned int order);
> +static inline void arch_free_page(struct page *page,
From: Alexander Duyck
Add guest support for providing free memory hints to the KVM hypervisor for
freed pages huge TLB size or larger. I am restricting the size to
huge TLB order and larger because the hypercalls are too expensive to be
performing one per 4K page. Using the huge TLB order became
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