Re: [PATCH RFC] x86/xen: attempt to inflate the memory balloon on PVH

2024-03-13 Thread Juergen Gross
On 20.02.24 18:43, Roger Pau Monne wrote: When running as PVH or HVM Linux will use holes in the memory map as scratch space to map grants, foreign domain pages and possibly miscellaneous other stuff. However the usage of such memory map holes for Xen purposes can be problematic. The request

Re: [PATCH RFC] x86/xen: attempt to inflate the memory balloon on PVH

2024-03-06 Thread Stefano Stabellini
On Tue, 5 Mar 2024, Roger Pau Monné wrote: > On Thu, Feb 22, 2024 at 05:16:09PM -0800, Stefano Stabellini wrote: > > On Tue, 20 Feb 2024, Roger Pau Monne wrote: > > > When running as PVH or HVM Linux will use holes in the memory map as > > > scratch > > > space to map grants, foreign domain pages

Re: [PATCH RFC] x86/xen: attempt to inflate the memory balloon on PVH

2024-03-05 Thread Roger Pau Monné
On Thu, Feb 22, 2024 at 05:16:09PM -0800, Stefano Stabellini wrote: > On Tue, 20 Feb 2024, Roger Pau Monne wrote: > > When running as PVH or HVM Linux will use holes in the memory map as scratch > > space to map grants, foreign domain pages and possibly miscellaneous other > > stuff. However the

Re: [PATCH RFC] x86/xen: attempt to inflate the memory balloon on PVH

2024-02-22 Thread Stefano Stabellini
On Tue, 20 Feb 2024, Roger Pau Monne wrote: > When running as PVH or HVM Linux will use holes in the memory map as scratch > space to map grants, foreign domain pages and possibly miscellaneous other > stuff. However the usage of such memory map holes for Xen purposes can be > problematic. The

[PATCH RFC] x86/xen: attempt to inflate the memory balloon on PVH

2024-02-20 Thread Roger Pau Monne
When running as PVH or HVM Linux will use holes in the memory map as scratch space to map grants, foreign domain pages and possibly miscellaneous other stuff. However the usage of such memory map holes for Xen purposes can be problematic. The request of holesby Xen happen quite early in the