Re: [PATCH v11 1/7] mm: ksm: Export ksm_madvise()

2019-11-26 Thread Bharata B Rao
On Tue, Nov 26, 2019 at 07:59:49PM -0800, Hugh Dickins wrote: > On Mon, 25 Nov 2019, Bharata B Rao wrote: > > > On PEF-enabled POWER platforms that support running of secure guests, > > secure pages of the guest are represented by device private pages > > in the host. Such pages needn't participat

Re: [PATCH v11 1/7] mm: ksm: Export ksm_madvise()

2019-11-26 Thread Hugh Dickins
On Mon, 25 Nov 2019, Bharata B Rao wrote: > On PEF-enabled POWER platforms that support running of secure guests, > secure pages of the guest are represented by device private pages > in the host. Such pages needn't participate in KSM merging. This is > achieved by using ksm_madvise() call which n

Re: [PATCH v11 1/7] mm: ksm: Export ksm_madvise()

2019-11-24 Thread Bharata B Rao
On Mon, Nov 25, 2019 at 08:36:25AM +0530, Bharata B Rao wrote: > On PEF-enabled POWER platforms that support running of secure guests, > secure pages of the guest are represented by device private pages > in the host. Such pages needn't participate in KSM merging. This is > achieved by using ksm_ma

[PATCH v11 1/7] mm: ksm: Export ksm_madvise()

2019-11-24 Thread Bharata B Rao
On PEF-enabled POWER platforms that support running of secure guests, secure pages of the guest are represented by device private pages in the host. Such pages needn't participate in KSM merging. This is achieved by using ksm_madvise() call which need to be exported since KVM PPC can be a kernel mo