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b=RV6f4qcJIjlbsx8FxA1gxmtGOYGrqDAqHaEFkjDmVEvh9lKtryFCfIVBh2Syv+Nm5 3pWfPBY0jOJrkRMONpLfK9G4EHDraDOfXd+MhXzuTpE2P9tsEthfMKFGmOQLCDYlzs SrJGyjebs3ZRk2dtFEh1jcZAgMmA+UzzkSel7YKXk43VbE4n0QFjoaKPOUMpS0lDnO 15H2VQcUneTXTIQ+aMXnT45PaTd+sHwAGhegff5F4dk8O3hpM+u4GKIrR7OGwG4/2J uogUUW4aLsfTJs2ixdi0HB3c3kaLECdnu2Awi3Rgj9GQOwpEjUI4amOtG6CTKVQEMx rIaJ9//B6Yzjg== Date: Mon, 9 Nov 2026 10:24:19 +0100 From: "Oscar Salvador (SUSE)" To: Muchun Song Cc: David Hildenbrand , Madhavan Srinivasan , Mike Rapoport , Andrew Morton , Lance Yang , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Ritesh Harjani , Shrikanth Hegde , Oscar Salvador , Qi Zheng , Muchun Song , Huacai Chen , WANG Xuerui , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org Subject: Re: [PATCH v3 5/5] mm/sparse-vmemmap: drop @pgmap from vmemmap population APIs Message-ID: References: <20261107043122.25650-1-songmuchun@bytedance.com> <20261107043122.25650-6-songmuchun@bytedance.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261107043122.25650-6-songmuchun@bytedance.com> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 6472B20009 X-Stat-Signature: zfswr8qgx8yt5mf9pc5cwzby1wc1egt1 X-Rspam-User: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-HE-Tag: 1794216268-129002 X-HE-Meta: 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 OneJNJX1 NmEsLZXZCFUz4tpvFQbf06V00G9IMeyfSYR+dy2qeijBuRt4WT4Tf9MvVcPCP/4ThvIleNHZcPSmf0mGDxCUlrXF63BvgjusomAF0zefFZ3qb4yqSqQEaXDQX4f43AFQlPlW5Dnx4ZEo9wmajJfcK3vsnts1wX8OvEdlgC3Xm2JeSaa+JZY3RydpRCsjeOAo/J5LF/cbXDnI82mVS077j8E50Dc70ln/PcqjnHrt5o5DsrysJizz14P2PuOgjcIFJbD6PI6aG41WkGVEGJXLAfmtpy8gDJ6CSPmn38hx3FFylf0UZQOgEakqZkM/wkWQSgHzrLbKeXxxZTml7IRK8O7qd9Q== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Sat, Nov 07, 2026 at 12:31:22PM +0800, Muchun Song wrote: > The vmemmap population and memory hotplug paths no longer need @pgmap > to decide whether a mapping can be optimized. That state is now carried > in mem_section, and the architecture-specific population code can make > the remaining decisions internally. > > Drop the @pgmap parameter from the vmemmap population helpers and the > related memory hotplug interfaces, and remove the remaining > dev_pagemap-specific coupling from those call chains. > > Signed-off-by: Muchun Song Reviewed-by: Oscar Salvador (SUSE) -- Oscar Salvador SUSE Labs