From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id ECE40C021A0 for ; Sat, 15 Feb 2025 10:28:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7E5EB6B00A2; Sat, 15 Feb 2025 05:28:19 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 7962E6B00A3; Sat, 15 Feb 2025 05:28:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 65E80280005; Sat, 15 Feb 2025 05:28:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 48DCB6B00A2 for ; Sat, 15 Feb 2025 05:28:19 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id D23061A18E7 for ; Sat, 15 Feb 2025 10:28:18 +0000 (UTC) X-FDA: 83121804276.11.80B431E Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf11.hostedemail.com (Postfix) with ESMTP id 06BDF4000B for ; Sat, 15 Feb 2025 10:28:16 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=iOFGBTzr; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf11.hostedemail.com: domain of bhe@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=bhe@redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1739615297; a=rsa-sha256; cv=none; b=piKvnjEfl9FLh9Uz3wk71popy7lu1Eq2bp6SzgLGUXly/gOBEgO0GeLquRK+KVZagoxPEx U6pp8m9bOT7PadcjfmiriMz3PL1V9zS8l/9Z8072PKK0ShQlkg4mB7taDIjhZ57MDHXpLC SAIyxDWtgp/WVU0esyTYG7aXPysiE9E= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=iOFGBTzr; dmarc=pass (policy=none) header.from=redhat.com; spf=pass (imf11.hostedemail.com: domain of bhe@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=bhe@redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1739615297; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=rQqwkeCetsLzXFYxcLLmFF2wPRgBA90OpzBTdvUtDcU=; b=IiYuSRj+YJ5/6V3F+MMk2AVotO7ED+jMvFsVhkJszzjqUQXSTZEUqdLK8/zcj0Objpgyz+ BIYGfQXW247Dv2B7xvMEJr7As6yUWVgRyHKBTiGQ1HMpC49i8U55Jkh9g5TxiWiFiYMsHx i3GNA2MUkmYyYdJdgWcowL7KOb6DfY0= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739615296; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=rQqwkeCetsLzXFYxcLLmFF2wPRgBA90OpzBTdvUtDcU=; b=iOFGBTzrQY9wvgC1uzPTU9y3sIokJIjpPlyCPkACPELLng1onqjPRf8aJVPaktWpgITUFz e6sD5ZdbD+NP/9+e5gConXkr4EeCTJHuqueqNlqJU1JhDsMIFqUy1J/ZET1CNMas4DwVbx ZZEDe1cWoyz1vql/g2nP1sR7sRxuwLk= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-345-tL527mulOdqoGvq1ALhRNg-1; Sat, 15 Feb 2025 05:28:12 -0500 X-MC-Unique: tL527mulOdqoGvq1ALhRNg-1 X-Mimecast-MFC-AGG-ID: tL527mulOdqoGvq1ALhRNg_1739615291 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 6F29118EB2C3; Sat, 15 Feb 2025 10:28:10 +0000 (UTC) Received: from localhost (unknown [10.72.112.76]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id F228D1800874; Sat, 15 Feb 2025 10:28:07 +0000 (UTC) Date: Sat, 15 Feb 2025 18:27:59 +0800 From: Baoquan He To: Kairui Song Cc: linux-mm@kvack.org, Andrew Morton , Chris Li , Barry Song , Hugh Dickins , Yosry Ahmed , "Huang, Ying" , Nhat Pham , Johannes Weiner , Kalesh Singh , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/7] mm, swap: remove swap slot cache Message-ID: References: <20250214175709.76029-1-ryncsn@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250214175709.76029-1-ryncsn@gmail.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 06BDF4000B X-Stat-Signature: 3rnb5hzjeqbmki1d18zmj185f4phweu6 X-Rspam-User: X-HE-Tag: 1739615296-695197 X-HE-Meta: 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 RCahXbCV qRil8yTRLE8S3XWmgFFvHhrJg3/fO6ZVtnTX1Hjh85bGuUXlIy2auB42My3F9wiXbtfPyAJPwDXrYbBj7oC/IMwsxKyK+i7lyoYs9ee5D60Lo4e4VE6OjFfCgRPmJjLWH8mevCA0mVqx0JtfepJ93DmZHkhqFl6V2zrTv4A+IZTv3bAOVaKJZupS1RsUFcOOVLLfu6RvzW/hccG7hvy31+p4Aa79LTQc9TfTa9ogL1+FJMeRj/9Ufh+Wlcv2Ff4LKlR7KVyiwdf+CkEhkZEHZtABCNIBiJkvZP6GI/jKSmF7I1MgQ7EkQed/FYjaRC2d+faQTHeqKcADmJh+I22mZQGxayygysSAIIuqEokO8YnPiyNnRD3WnrrI/zQgjQcCJ3zYiOErB2J9KbFVRA7+qgIkym4OuPdcQXJ7IX/Uo1LMSOpE= 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: Hi Kairui, On 02/15/25 at 01:57am, Kairui Song wrote: > From: Kairui Song > > Slot cache was initially introduced by commit 67afa38e012e ("mm/swap: > add cache for swap slots allocation") to reduce the lock contention > of si->lock. Thanks for adding me in CC. While I got failure to apply this series to the latest mainline kernel, could you tell what is the base commit of this pathcset? Thanks Baoquan