Re: [PATCH RFC] powerpc/pseries: exploit H_PAGE_SET_UNUSED for partition migration

Michael Ellerman writes: > Nathan Lynch via B4 Relay > writes: >> From: Nathan Lynch >> >> Although the H_PAGE_INIT hcall's H_PAGE_SET_UNUSED historically has >> been tied to the cooperative memory overcommit (CMO) platform feature, >> the flag also is treated by the PowerVM hypervisor as a hint

Re: [PATCH RFC] powerpc/pseries: exploit H_PAGE_SET_UNUSED for partition migration

Nathan Lynch via B4 Relay writes: > From: Nathan Lynch > > Although the H_PAGE_INIT hcall's H_PAGE_SET_UNUSED historically has > been tied to the cooperative memory overcommit (CMO) platform feature, > the flag also is treated by the PowerVM hypervisor as a hint that the > page contents need not

Re: [PATCH RFC] powerpc/pseries: exploit H_PAGE_SET_UNUSED for partition migration

> > Although the H_PAGE_INIT hcall's H_PAGE_SET_UNUSED historically has > been tied to the cooperative memory overcommit (CMO) platform feature, > the flag also is treated by the PowerVM hypervisor as a hint that the > page contents need not be copied to the destination during a live > partition mi

[PATCH RFC] powerpc/pseries: exploit H_PAGE_SET_UNUSED for partition migration

From: Nathan Lynch Although the H_PAGE_INIT hcall's H_PAGE_SET_UNUSED historically has been tied to the cooperative memory overcommit (CMO) platform feature, the flag also is treated by the PowerVM hypervisor as a hint that the page contents need not be copied to the destination during a live par