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Fri, 23 Oct 2026 03:53:14 +0000 X-Mizu-Trace-ID: 9bef591184831a03 X-Migadu-Flow: FLOW_OUT From: Lance Yang To: songmuchun@bytedance.com Cc: osalvador@suse.de, akpm@linux-foundation.org, rppt@kernel.org, qi.zheng@linux.dev, lance.yang@linux.dev, jthoughton@google.com, david@kernel.org, muchun.song@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 11/12] mm: hugetlb_vmemmap: unify vmemmap range restoration Date: Fri, 23 Oct 2026 11:53:02 +0800 Message-ID: <20261023035302.39047-1-lance.yang@linux.dev> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20261020115824.823278-10-songmuchun@bytedance.com> References: <20261020115824.823278-10-songmuchun@bytedance.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: D442140005 X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Stat-Signature: ysn74eay9qxsqfrim5wqyazjm9kg4wzw X-HE-Tag: 1792727595-443360 X-HE-Meta: U2FsdGVkX1/Z2AQhStT6DcumEUYg96rh40zeoMXGOpCdsbxlnfL8iKmMdunPiu3ZV3rVJLmszOzqXBaWwA5nIVdGYgF8cBWPJzpCq3px5otSQsfAp5EgqKpngxk4C5rDjZkEDz5uWiIwHYBG/Hew8y6T9dhn6KcUPHyFz/eN6hHI4WB3JkBekmcYVukMbJhzbjDc6iajqBcdsD3QExaQmXhJIV2HPdvFRvQ8JHjYFmZGfTcJK/zH0qO0uSBJ/bGv9UYRuucgSfehx5a5D0S1xOwX5NpCgx1Xh2V+iXLK6LkRFmBxGA60FwcBDo6RqT4PleIzAq12Nz2ka+7sqCCiBBGfee+fptgbily6B1m6VHbfIkT32D0GW7Mus9N9L/yOtXGQP9kX6qTb8xsFWhMHsx57ceBFkpvGUzvZseLnDNKz4EKEf5mpZvxm5nQuAdGvOBcSvSQjtbBux8HLOIWLxTTvJJMOxXmRwE0KimuQi0cU8/+pbsOTVz8cwTc2sWCBKWbISRJgz17hQbN9/2FKtqpfD6sLJ2QREzRD8aQmhzMvx7MPL1v8sECsVE48Jtp2uPbDy0ywI0UftNWEKua3+41OGsawIBXOQ3nsUWINetTTgDfC1zY8a1+hk1kIW85n/Lq36+ykydfes9cE75OKjBztgDqdRiDb58gzh8572TKmRGR0jpmD2/38KU2/Pisqzr/U9d92guPiy64BeiRDsXsls1qs5xgSC5erfxFmSd/WfxIuz4fm97hmtq1xBs7yQXv4YeyZcAoJiO3pjssYLwEdgYN5QK9QSyo7MHafLfYzC53Evxu/gJ4P9XI4if7KXBoNsfL/6X8YBi4S2sp0e6hVEiI4cTjpnXkGQC72ZKnicqhck8Axd1fn32BdONPfeDcr0ZN94k+kGeumB/55luZADo6rhIXHlAm0zuw2E8zH99kHyeZL7UJ1WZbnBlvLgyCUt0388lTiwiRE84d xoTW317Y 7h2nLBkOux+YYUICxglkIjM6dgNRiY1c8F1gDbfKu7uTw29edl1/M1EI3gn2hu2zaSWDCOLFDGleauD74CeEqjPNr5pbJOa7n43XzuDtQ0PpEhs3qNUvqQ6cTtnQGsgg+LpR0qA4HJdlRziDLzIOLActiTLp3oW3AAox/MRNX01wk++6KnA2GoyU+cuYnierEpOqPv3YEBrE0YywLisMcctRk7064P1HrSEuJ+1+BR8wNCKgulgvHZhyX2WBCDlj/7n0AieTmDVBrJMvMEN6+eJ9YCY85yXltIHVwRu7c18lt/p8M9QXyHb7XxA== 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 Tue, Oct 20, 2026 at 07:58:23PM +0800, Muchun Song wrote: >Restoring an optimized folio and rolling back a partial optimization >both restore a vmemmap range, but the operation is currently implemented >separately in each path. > >Use a single range-restoration path for both cases, making rollback an >explicit bounded form of normal restoration. > >No functional change intended. > >Signed-off-by: Muchun Song >--- Don't see any behavior change, LGTM! Reviewed-by: Lance Yang