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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 > 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.