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From: Muchun Song In-Reply-To: <20230905103508.2996474-1-wangkefeng.wang@huawei.com> Date: Wed, 6 Sep 2023 10:41:35 +0800 Cc: Andrew Morton , Mike Kravetz , Linux-MM , Yuan Can Content-Transfer-Encoding: 7bit Message-Id: References: <20230905103508.2996474-1-wangkefeng.wang@huawei.com> To: Kefeng Wang X-Migadu-Flow: FLOW_OUT X-Stat-Signature: rhcy766h4adt75zakah6jtwror5c4315 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 338B24000F X-Rspam-User: X-HE-Tag: 1693968134-799059 X-HE-Meta: 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 142sUhBK EvnHREt62tI/Ihl6Cg5D5MbwYMv1juzvTJBV2U4bEjOiDTksKjsc8OhA2C0lF7Z0iKfVF+ebiwNFL+8YCXUrfiMQmSNPyWISWp+hIA5045eVE+m2tyC4mMNKLYrNoGIJXtBUv4qsauqd4sZZJNrmEZVob0GfhDZv2ePokRw0T1173qh8RsCK81xbNQBBRQP43iEv1q1QYxIWDmBarBzX7igqlQko+1lrPQBkLEyFK274rVQhhBWQx5Tf+4w== 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: > On Sep 5, 2023, at 18:35, Kefeng Wang wrote: > > It is needed 4095 pages(1G) or 7 pages(2M) to be allocated once in > alloc_vmemmap_page_list(), so let's add a bulk allocator varietas > alloc_pages_bulk_list_node() and switch alloc_vmemmap_page_list() > to use it to accelerate page allocation. > > Simple test on arm64's qemu with 1G Hugetlb, 870,842ns vs 3,845,252ns, > even if there is a certain fluctuation, it is still a nice improvement. > > Tested-by: Yuan Can > Signed-off-by: Kefeng Wang Reviewed-by: Muchun Song Thanks.