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Wed, 25 Mar 2026 16:37:45 +0000 (GMT) Date: Wed, 25 Mar 2026 17:37:43 +0100 From: Alexander Gordeev To: "David Hildenbrand (Arm)" Cc: Kevin Brodsky , Andrew Morton , Gerald Schaefer , Heiko Carstens , Christian Borntraeger , Vasily Gorbik , linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 1/2] mm: make lazy MMU mode context-aware Message-ID: <939c4ed1-3335-47ef-a25b-6ccdbd48d464-agordeev@linux.ibm.com> References: <44dd86c0-1845-4dd9-b4b4-2cef6d1c6357@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ep-i31MGON5OlTVgHzD44qA7jGtcSV4f X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDExNyBTYWx0ZWRfX69MY7zL9dYkK OOwrsP2i3IO+E8dzEkot+WcOQZ9DXy4PWqnzre6V8fRHZ+NgcsDWCcKjWhulxWSQssOcczL/I8H m+kQ05AI5VajjO/mI+dww3OQfJP91uYmIvEDivusZ7/WA8Vu19MwNQeSxvzIBK2D8A1/OkUbifa h8OUXnMJRySj8732fani84Er4jcyo48Htb2YCBmNgdPPwIcUYG+VR2nh5hzr1euMb3SwSNuWMfM fYHlDiKmwXjTFVBUtSQkIf7AzXSZVwXJMuGUK9d+eUaAFIasW9smzVTPuCrd79vS2HPin+rC0xH gfjG/4/Fr+EPjDhjzdfBoZ1lvRhQrW+nzHYMKt+P/2N04uhZw8UVuoa7zdrV0aEp6hMpYica32c o9qpa0NT4SRYusS7Vx8766TyOXnLv+TsPB+IiHpeVdcAwrx+7xmR7urMUcXJVHpYIo2VMqUME7S BwNKTrAg4EWvTEd9VyQ== X-Authority-Analysis: v=2.4 cv=bLEb4f+Z c=1 sm=1 tr=0 ts=69c40f5e cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=kj9zAlcOel0A:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VJWC2A9Rxtiui5an8dEA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: ep-i31MGON5OlTVgHzD44qA7jGtcSV4f X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-25_05,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250117 X-Rspam-User: X-Rspamd-Queue-Id: 851C62000D X-Stat-Signature: wdg5eo6qcp8c7zusrgdrrw5h39r9k7e1 X-Rspamd-Server: rspam06 X-HE-Tag: 1774456677-80490 X-HE-Meta: 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 vAdrSofZ sKDxYtW/uoh6mQSicNpX/xIbPBxuLBLT8LskQcYt1Ejxwe1/z0Eb6f4TPHiiGddsZDGe4hzjN5JaIBljRnYRomPKc1bzcjHXOqvaVYTU7LeFgnTtb84fVQtcMx9tWtNteZUf1Ec4EsbyN90VhsKmmv36wVZPPkDalvs/w9qeJrDZdGvzb+vLS4TQUPXrZoDUWDyou8EPwq+sKDQRQs+gGBwpWjWWNLp4gSGsV Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > Multiple different ranges still could be processed, but then one should > continue using arch_enter_lazy_mmu_mode(). lazy_mmu_mode_enable()