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From: Muchun Song In-Reply-To: <20240126152411.1238072-7-gang.li@linux.dev> Date: Mon, 29 Jan 2024 11:44:12 +0800 Cc: David Hildenbrand , David Rientjes , Mike Kravetz , Andrew Morton , Tim Chen , Linux-MM , linux-kernel@vger.kernel.org, ligang.bdlg@bytedance.com Content-Transfer-Encoding: 7bit Message-Id: <34C3C358-7550-48D6-9421-EAD6C5ED3C35@linux.dev> References: <20240126152411.1238072-1-gang.li@linux.dev> <20240126152411.1238072-7-gang.li@linux.dev> To: Gang Li X-Migadu-Flow: FLOW_OUT X-Stat-Signature: 8c8j6urij7izckne7huj788m1xfrni1i X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 1BB631C0002 X-Rspam-User: X-HE-Tag: 1706499902-877442 X-HE-Meta: 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 egumr6EQ RsG0y+Lw5l+88WB6wShxrrkZF+QRxA8lVXLUqgnAWJwHsRW+rIF1TQvLohBz0375pNJ5rI5ajcxAjfoioYzPN0DO1Ugu3SKzhGS7DaPTeDXseEEATQiMdWIIlEGV3m/+R1Tp/kPvjzVtZw9aS/8uTaJtxGV/NcbAGrqLW9FO9sDbeIBGRVa1kjdPAmaTCG+Ejtvo9 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Jan 26, 2024, at 23:24, Gang Li wrote: > > By distributing both the allocation and the initialization tasks across > multiple threads, the initialization of 2M hugetlb will be faster, > thereby improving the boot speed. > > Here are some test results: > test case no patch(ms) patched(ms) saved > ------------------- -------------- ------------- -------- > 256c2T(4 node) 2M 3336 1051 68.52% > 128c1T(2 node) 2M 1943 716 63.15% > > Signed-off-by: Gang Li > Tested-by: David Rientjes Reviewed-by: Muchun Song Thanks.