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h=Date:From:To:Cc:Subject:References:In-Reply-To; b=cBplRVlNGNXLgcOgO/+NzbxXf7EoY8ccfzz17hLNIISFlErjsDDUxP0r4++GlxKZ0 H2LWcO/wR6CNfnZ57fCbZiuucD+u6e3qjQjdbaMMZdgYskVj6G9DOl6VWGND9+QiEL pFnUzmZgJ2HhcuhmC0/n1pUCgQnPKTJARsJ+broVwfYvKznB380+kfP7vESDq/m7My ryQxu1NibOQv+aePOWlK0T0z+qrAITNvbGZwOeQeJms2fAvu2yfulKwl4elPSj5A77 YDusCrCkH7AjPYQLm0dZU0F8U/PnKW7y/A90IQUnrKZpyk2+TbGoMMepZcTAOiDtGf IcNB86vyc/ZBw== Date: Wed, 4 Nov 2026 14:42:30 +0100 From: "Oscar Salvador (SUSE)" To: Muchun Song Cc: Oscar Salvador , Andrew Morton , Mike Rapoport , Qi Zheng , Lance Yang , James Houghton , David Hildenbrand , Muchun Song , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 11/12] mm: hugetlb_vmemmap: unify vmemmap range restoration Message-ID: References: <20261104023510.260766-1-songmuchun@bytedance.com> <20261104023510.260766-12-songmuchun@bytedance.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261104023510.260766-12-songmuchun@bytedance.com> X-Stat-Signature: h88xmuhbbc9onndmkm9rhers5yko5yiy X-Rspamd-Queue-Id: 9999BA000A X-Rspam-User: X-Rspamd-Server: rspam11 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: 1793799756-850371 X-HE-Meta: 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 rn1RpLlN O8H6RSwiHkvydalJt7xM/WTy1syt5JDEYPonGPwLJkKQjhFUS/jjhTHPwGZdC+9XBhCViYA9WRYMsZmSwD3938AImkqDdTOl9od1GGt9JlUTEIrxMbavhQAeaBv+VLKKeBcZhSq1ZQ0/bjjDjcQ+hnk6pb39U5ifjrNducUM2RyvTX7nX73mz9kbjPzYma+T8PhMEDeER9I9Og+9DqEL9CYw5DVoIYE2O2qcNfLQYspwMZ2nCBMDbjkUiMpFJrSEOBji35DwgeEExn5L7586cbI6LSj5MBuk+6JcXR0JoMcbMtxqNGzf+WtINKQ== 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 Wed, Nov 04, 2026 at 10:35:09AM +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 > Reviewed-by: Lance Yang > Reviewed-by: Qi Zheng > Reviewed-by: Mike Rapoport (Microsoft) Reviewed-by: Oscar Salvador -- Oscar Salvador SUSE Labs