RE: [PATCH V2 2/3] Drivers: hv: balloon: Support 2M page allocations for ballooning

2013-03-19 Thread KY Srinivasan
...@firstfloor.org; a...@linux-foundation.org; linux...@kvack.org; > kamezawa.hiroy...@gmail.com; han...@cmpxchg.org; ying...@google.com > Subject: Re: [PATCH V2 2/3] Drivers: hv: balloon: Support 2M page allocations > for > ballooning > > On Mon 18-03-13 13:51:37, K. Y. Srinivasa

Re: [PATCH V2 2/3] Drivers: hv: balloon: Support 2M page allocations for ballooning

2013-03-19 Thread Michal Hocko
On Mon 18-03-13 13:51:37, K. Y. Srinivasan wrote: > On Hyper-V it will be very efficient to use 2M allocations in the guest as > this > makes the ballooning protocol with the host that much more efficient. Hyper-V > uses page ranges (start pfn : number of pages) to specify memory being moved > aro

[PATCH V2 2/3] Drivers: hv: balloon: Support 2M page allocations for ballooning

2013-03-18 Thread K. Y. Srinivasan
On Hyper-V it will be very efficient to use 2M allocations in the guest as this makes the ballooning protocol with the host that much more efficient. Hyper-V uses page ranges (start pfn : number of pages) to specify memory being moved around and with 2M pages this encoding can be very efficient. Ho