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Wed, 12 Nov 2025 06:25:42 +0000 (GMT) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 12 Nov 2025 07:25:08 +0100 Message-Id: From: "Christoph Schlameuss" Cc: , , , , , , , , , , , , To: "Claudio Imbrenda" , Subject: Re: [PATCH v3 04/23] KVM: s390: Add gmap_helper_set_unused() X-Mailer: aerc 0.20.1 References: <20251106161117.350395-1-imbrenda@linux.ibm.com> <20251106161117.350395-5-imbrenda@linux.ibm.com> In-Reply-To: <20251106161117.350395-5-imbrenda@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 4gwAgylh-BBYJQdN823d49WrTVNulepN X-Proofpoint-ORIG-GUID: 4gwAgylh-BBYJQdN823d49WrTVNulepN X-Authority-Analysis: v=2.4 cv=VMPQXtPX c=1 sm=1 tr=0 ts=6914286b cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=Y6CA1nhfU0GbWGwoTcwA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTA4MDAyMiBTYWx0ZWRfXzqbXUMdn6okH fxFdN8VDJtVWeEwunpovR7oCjr45qPYsoz2nND6W5wOmmEpxsyGGYz+I2GXMGDNwbVk4m8A/z8r TIXKV3jbkbakv1btqmLfUGl9ungPllHQHK/+w/MPmwhwIc1D3uS2PT331OczaT5UJv7CXAf4rlu oxRbABnc3PQ7MxONpbEnmQf8N7bvz7V0hKpgWc05QB4yRm2Qu0nJNEuFEbg5l9MEFKiU8eMjKpR y8fGB8vtlX/zq97LZ4BJ0yhQK6KpHQM93MycniTj8/RDDRXL1CaqTWj3ODjiH/Kk77UddhgzFtR MwT9JKtE1bXAARd+gWPReowPpN+YEgGRgNdUDlbD1JEkCLL07m0PC9BZ350rRWt608m+aEK2c9O ht9XLqVHDa7b0zb8B06SmpoCfWSWGw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-12_01,2025-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 clxscore=1015 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511080022 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 > Reviewed-by: Nico Boehr > Tested-by: Nico Boehr Acked-by: Christoph Schlameuss > --- > arch/s390/include/asm/gmap_helpers.h | 1 + > arch/s390/mm/gmap_helpers.c | 79 ++++++++++++++++++++++++++++ > 2 files changed, 80 insertions(+)