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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: [dpdk-dev] Hugepages_rsvd Increasing for DPDK ACL operations X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" HI All, I'm currently facing an issue with respect to huge pages memory vs ACL Tri= e operation. Problem Statement: I am doing some ACL TRIE build operations and I can see hugepages_rsvd cou= nt is increasing and they are not available for use. As a result, the real= available/free huge pages reduces over time and at some point, the trie b= uild fails due to insufficient huge pages. For addition of just 30 ACL rules, 60 huge pages are going to reserved and= 11 ( 136-125) huge pages are getting used up. No Rules: HugePages_Total: 1234 HugePages_Free: 136 HugePages_Rsvd: 0 HugePages_Surp: 0 with 30 acl rules: HugePages_Total: 1234 HugePages_Free: 125 HugePages_Rsvd: 60 Could you please help us provide some more insights into it . * Is this the expected behavior and if yes, what is the reason? * Is there any optimization on this area? * How can we know the worst case memory requirement for ACL Trie? Thanks in advance. Regards Amiya Notice: This e-mail together with any attachments may contain information = of Ribbon Communications Inc. and its Affiliates that is confidential and/= or proprietary for the sole use of the intended recipient. Any review, dis= closure, reliance or distribution by others or forwarding without express = permission is strictly prohibited. If you are not the intended recipient, = please notify the sender immediately and then delete all copies, including= any attachments.