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Sun, 17 Dec 2023 22:34:28 -0800 (PST) Received: from [10.84.154.115] ([203.208.167.146]) by smtp.gmail.com with ESMTPSA id j15-20020a170902da8f00b001c9db5e2929sm18272762plx.93.2023.12.17.22.34.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 17 Dec 2023 22:34:27 -0800 (PST) Message-ID: <46bc7aa3-4b08-4e5f-9563-485ee17e2785@bytedance.com> Date: Mon, 18 Dec 2023 14:34:23 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v2 0/5] hugetlb: parallelize hugetlb page init on boot To: David Rientjes , Mike Kravetz Cc: Gang Li , David Hildenbrand , Muchun Song , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20231208025240.4744-1-gang.li@linux.dev> <996ba32c-78f0-1807-5e64-af5841a820e7@google.com> <20231212230813.GB7043@monkey> <55c6c1f6-0792-61c3-86ed-4729d4a3fdf5@google.com> Content-Language: en-US From: Gang Li In-Reply-To: <55c6c1f6-0792-61c3-86ed-4729d4a3fdf5@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: DA9371C000B X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: szo8jky4kfonwaooyp7fe5chmgne9en6 X-HE-Tag: 1702881269-721955 X-HE-Meta: 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 KMsQVieU tSoCfN9lRINb9B3ccXaIKtV79aWcEaHg+7JhDRBqTAdBtxRu//ATvDlPNkAKTwT5ClmEBEytvN2Yogn4kq63sQLK8x/3tjkp2SnF29jd4RfK5L99uk6JHlY9x6opSE0SxUqeDUG1jYe1tHDDoNiFWzGeMSZ3NFbh/3Lzc0I9hVOCO6NDGbdvI9lClbeEnxbTlEQCkVKdwH+EzIbsE9cKgksxZi3wLWHuZnbtE3+Rt8aqh/qzutG/h299Qxj04mtD43fEpStlF3A6cpjqR+9pYHI3uytj7DB3e7guQpUQELG3aNegVl28o8SCxyklfbAkVlfu5UpNS6vHK0TgBpSGj3JmTPiiheyei0+vnnLQhy49QuXwaiEf0cRxQSS3qnR+SZZC1mw8zOx5u3i0EB9SP08urWw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.003314, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi, On 2023/12/13 08:10, David Rientjes wrote: > On 6.6 I measured "hugepagesz=1G hugepages=11776" on as 12TB host to be > 77s this time around. Thanks for your test! Is this the total kernel boot time, or just the hugetlb initialization time? > > A latest Linus build with this patch set does not boot successfully, so Which branch/tag is it compiled on? I test this patch on v6.7-rc4 and next-20231130. > I'll need to look into that and try to capture the failure. Not sure if > it's related to this patch or the latest Linus build in general. >