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Mon, 27 Nov 2023 22:53:01 -0800 (PST) Message-ID: <13ad8d92-dc69-4088-b3db-16fade43bde3@bytedance.com> Date: Tue, 28 Nov 2023 14:52:56 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v1 0/4] hugetlb: parallelize hugetlb page allocation on boot Content-Language: en-US To: David Hildenbrand Cc: Gang Li , Mike Kravetz , Muchun Song , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20231123133036.68540-1-gang.li@linux.dev> <5c0e27f2-5826-4537-a1ab-1debfab65b9a@redhat.com> <28e28c2a-e72d-a181-e87a-39cecc8c3c76@google.com> <9d5de524-28ee-4d71-9493-f77967ea213c@redhat.com> <783f8bac-55b8-5b95-eb6a-11a583675000@google.com> From: Gang Li In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 27 Nov 2023 22:53:35 -0800 (PST) Hi David Hildenbrand :), On 2023/11/23 22:10, David Hildenbrand wrote: > Sorry to say, but why is that a scenario worth adding complexity for / > optimizing for? You don't cover that, so there is a clear lack in the > motivation. Regarding your concern about complexity, this is indeed something to consider. There is a precedent of parallelization in pgdata[1] which might be reused (or other methods) to reduce the complexity of this series. [1] https://lore.kernel.org/all/20200527173608.2885243-1-daniel.m.jordan@oracle.com/