Re: [PATCH v3 04/23] KVM: s390: Add gmap_helper_set_unused()

[Christoph Schlameuss]

On Thu Nov 6, 2025 at 5:10 PM CET, Claudio Imbrenda wrote:
> Add gmap_helper_set_unused() to mark userspace ptes as unused.
>
> Core mm code will use that information to discard unused pages instead
> of attempting to swap them.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
> Reviewed-by: Nico Boehr <nrb@xxxxxxxxxxxxx>
> Tested-by: Nico Boehr <nrb@xxxxxxxxxxxxx>

Acked-by: Christoph Schlameuss <schlameuss@xxxxxxxxxxxxx>

> ---
>  arch/s390/include/asm/gmap_helpers.h |  1 +
>  arch/s390/mm/gmap_helpers.c          | 79 ++++++++++++++++++++++++++++
>  2 files changed, 80 insertions(+)