From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7750D155CB3 for ; Sat, 15 Feb 2025 10:28:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739615301; cv=none; b=M6RuJqULXh/3aK/obkw74Wbz0S6tmCkCTwh+cY5hyPz8Cl03VJgspPPnhbCPxpLi5erBGSl54HTvwo1NXDCuCbdfu6rcMrxFy8i6LzVfVcR4sULbaGuv0UKNmyEDzGoGHQL3T0R5TAIaNrGov9BU5cTpXASj6XCnuP6F853BqbA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739615301; c=relaxed/simple; bh=XtvbIPzvQqKYFe1wb9GBAWD+DWkkj6O9gaCnsRC7z1A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=e2gCF0jkGCukwjq9VnGnYV0oB7DL7CoMChSXlKuXlGn2/PJ6KAN4UGoVIM2e5Ifs1Ka8jM8iW8hEy/TSnPfuYIctEr1c85i9SufTlhuA/SorU8/twLk/swWsPhSEXtnxtw2/E8CWvO9u2mOiXs7ldkE6xIVkjpINRAq6p/2LCLc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=EoEQR0li; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="EoEQR0li" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739615298; 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=EoEQR0liuAtgnQXHUqSgcyXlhowwDEmsQPBzj1RLLPn2Z60pAIDUDqu7TETQYeitIHmE4C YGwmeLR8iioWN/aIZfEFCFiBBJ+GOsQQQfVH+zyqldWKdvWuwKnUfYaYAaEmy3S22nHzY/ PSuuUMGEJN1S8vEabQcMIkya1VrWXjY= 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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