From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS3215 2.6.0.0/16 X-Spam-Status: No, score=-6.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI,NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id C2E321F8C6 for ; Tue, 17 Aug 2021 04:06:32 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 26B86396DC32 for ; Tue, 17 Aug 2021 04:06:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 26B86396DC32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1629173191; bh=K+1Ykjs3yl/XuDAPGqN6VMDoavJjZhO9irIZ5XFsZTs=; h=Subject:To:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=iXKi722NGOt+tpwCyB16coXgwVPiATNZz+mI5togMdJmOrRXAKkr7weqwDVeIaL6n oxaYSdRRTJFipeI99G106Xbt7yidvgXfdK0btN5ZH1f1gDRIRnNugSmjxKmVqbpXcB bVRCYwOaMhwgXc8lW0p4TCeSATA7fw6UZ7NdxcKA= Received: from black.elm.relay.mailchannels.net (black.elm.relay.mailchannels.net [23.83.212.19]) by sourceware.org (Postfix) with ESMTPS id 07D86385040A for ; Tue, 17 Aug 2021 04:06:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 07D86385040A X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 37C7C681CE1; Tue, 17 Aug 2021 04:00:36 +0000 (UTC) Received: from pdx1-sub0-mail-a80.g.dreamhost.com (100-96-11-200.trex.outbound.svc.cluster.local [100.96.11.200]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 967F6681CEC; Tue, 17 Aug 2021 04:00:30 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a80.g.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384) by 100.96.11.200 (trex/6.3.3); Tue, 17 Aug 2021 04:00:35 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Wide-Eyed-Abaft: 31f410444cae75ae_1629172830888_3245576838 X-MC-Loop-Signature: 1629172830888:3369459573 X-MC-Ingress-Time: 1629172830888 Received: from pdx1-sub0-mail-a80.g.dreamhost.com (localhost [127.0.0.1]) by pdx1-sub0-mail-a80.g.dreamhost.com (Postfix) with ESMTP id 0811D8954F; Mon, 16 Aug 2021 21:00:24 -0700 (PDT) Received: from [192.168.1.165] (unknown [1.186.101.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a80.g.dreamhost.com (Postfix) with ESMTPSA id 65F8A800D7; Mon, 16 Aug 2021 21:00:20 -0700 (PDT) Subject: Re: [PATCH 0/3] malloc: improve THP effectiveness To: Adhemerval Zanella , libc-alpha@sourceware.org, Norbert Manthey , Guillaume Morin References: <20210813210429.1147112-1-adhemerval.zanella@linaro.org> <20210813213725.GA9384@bender.morinfr.org> <8a9c54a5-d0ad-440c-75e5-3390e9cc8a44@linaro.org> X-DH-BACKEND: pdx1-sub0-mail-a80 Message-ID: <631f477d-c504-94d5-3141-a58263fde5c5@sourceware.org> Date: Tue, 17 Aug 2021 09:30:15 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <8a9c54a5-d0ad-440c-75e5-3390e9cc8a44@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Siddhesh Poyarekar via Libc-alpha Reply-To: Siddhesh Poyarekar Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org Sender: "Libc-alpha" On 8/17/21 2:25 AM, Adhemerval Zanella via Libc-alpha wrote: > I am reworking this patchset and I intend to add an option to use > MAP_HUGETLB as well. A low hanging fruit for adding MAP_HUGETLB may be at the mmap threshold; whenever it crosses the hugepage size, always use MAP_HUGETLB for mmapped blocks if the user requests it via tunable. Siddhesh