Re: [Qemu-devel] [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head

2016-10-26 Thread Michael S. Tsirkin
On Fri, Oct 21, 2016 at 02:24:35PM +0800, Liang Li wrote: > Add a new feature which supports sending the page information with > a bitmap. The current implementation uses PFNs array, which is not > very efficient. Using bitmap can improve the performance of > inflating/deflating significantly > >

Re: [Qemu-devel] [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head

2016-10-24 Thread Li, Liang Z
> On 10/20/2016 11:24 PM, Liang Li wrote: > > Add a new feature which supports sending the page information with a > > bitmap. The current implementation uses PFNs array, which is not very > > efficient. Using bitmap can improve the performance of > > inflating/deflating significantly > > Why is

Re: [Qemu-devel] [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head

2016-10-24 Thread Dave Hansen
On 10/20/2016 11:24 PM, Liang Li wrote: > Add a new feature which supports sending the page information with > a bitmap. The current implementation uses PFNs array, which is not > very efficient. Using bitmap can improve the performance of > inflating/deflating significantly Why is it not

[Qemu-devel] [RESEND PATCH v3 kernel 2/7] virtio-balloon: define new feature bit and page bitmap head

2016-10-21 Thread Liang Li
Add a new feature which supports sending the page information with a bitmap. The current implementation uses PFNs array, which is not very efficient. Using bitmap can improve the performance of inflating/deflating significantly The page bitmap header will used to tell the host some information