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 8D90F13AA27 for ; Thu, 4 Apr 2024 20:36:47 +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=1712263009; cv=none; b=LhNo7WUBJyFRDIKXiAQWwuc4p/mDzuT60WKAKFTBWxr7yUMvm6WuCKbrCRLw6LLc3MgyMGU6L3tVHEA4lCx5bZGPtEpHUVTTfOY1vI3qIMZxJcWD2KRYDFXw00ENV+3R1hIyQbeAOVOZ98jiSBFh5bFxP9HrTgECpwzGOZr0RlI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712263009; c=relaxed/simple; bh=y1Rsrld3EEbDp6rEcRf4DJgr5shNa6Z5QESiLrsf31A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: In-Reply-To:Content-Type:Content-Disposition; b=VhRc7Hx5z08TRLaKCsETR3Anf9AkI4QBypzPIBWgFGZTm1CrsSi88Vhq0E8meEIC1K27FhbyozN9WPufoHiTiVdWsTsKqWHc5mtqp5JcH2yAvGZz8VMjjfSxEOxOQ2vdyrtsXKeIjuiBzhpdODpZCxR5lPRG2hILmfJndOoiHjk= 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=JNi1crAz; 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="JNi1crAz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712263006; 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=B/DObdPmk2vIFww25ZF0AN9UF35je65YLgjdkhWbsjU=; b=JNi1crAzudHf4ufDPbjHnMj2+8kpDcyqYCJUbcjrVU9W9Fg2m10shNdU5t7EnNnx9iDLjp oMrY58pYRkhG25+cq01qxkWiVBOBxM0zJsmzEzUmD0eVbNsqa3Y1LcZxk0n2K0V8UFbmPU xZY0zjWXy/9TpTRV+b4f4DVnBcA7Gb8= Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-85-0CdLbTqvNLygtf30mRXTVw-1; Thu, 04 Apr 2024 16:36:45 -0400 X-MC-Unique: 0CdLbTqvNLygtf30mRXTVw-1 Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-6993921ae18so1517356d6.0 for ; Thu, 04 Apr 2024 13:36:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712263004; x=1712867804; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=B/DObdPmk2vIFww25ZF0AN9UF35je65YLgjdkhWbsjU=; b=BlGlWt8Ra463yMQ0aJLRum9qQZRW2+ExKW0ko4YBxTi98ppa4jrVG26afRDUyKoZzI 7nbexEEqelAbgLSKLv/boCbTyNf9XHEe42D6w4Cm9evhsv7YFOptEuSSmmD5ZCailtUF 7dzFxfyE6tqX9H//qvOLpEUT4H18RYsH5RrnEdHyTOt66Fj0uWt3EyggdNeFp4evMNhP 5+axyma6rWdgrjOXMuqV/C0lJNCS/MdeLajLm5RB+sNhBnzoka5A83Hn2MJgJ9jePZIE efO/wx9L+Tjfp8nzGfg9wGhsjKwXZGlSMWFeMZXvS/dGZHiLXS4+CxrRfIFYC8yu2zgy eGbw== X-Forwarded-Encrypted: i=1; AJvYcCUVei2GwB+KB65VWuRq1W4HdeV6BXFwVEj3Mabdy76m0KEg1Z7YpwhY0rKt9XW63aVmEB/BBbN8A0KK2DrADLrgcFpKCTkUkaod X-Gm-Message-State: AOJu0YwFiOt/Zk07jR/9mxKUUCC/0rjon2VN2oVx7d3i1elCG0dL7U7q 1bYgstfgvRJd42+HphCFv/cNkMJD8O3gXx/nDFtneAEfxJ+sp9IMFCc9p5zIIyWnhX601CLobhZ fUe8JEL1nZV70l2tSWaLCiLhuHW09XmW+PesxwbbOnQKFQPdmByjekT3usA== X-Received: by 2002:a05:6214:5084:b0:699:1b70:da97 with SMTP id kk4-20020a056214508400b006991b70da97mr3574424qvb.0.1712263004366; Thu, 04 Apr 2024 13:36:44 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFIpQWyjNAjmxMD5sLmyARNNdxOYRp+t32fubrk31G8hnVLmzAp/R36F4eQIQpaEtl6eQpvYw== X-Received: by 2002:a05:6214:5084:b0:699:1b70:da97 with SMTP id kk4-20020a056214508400b006991b70da97mr3574392qvb.0.1712263003617; Thu, 04 Apr 2024 13:36:43 -0700 (PDT) Received: from x1n ([99.254.121.117]) by smtp.gmail.com with ESMTPSA id b19-20020a0ccd13000000b00699103a1cf1sm44942qvm.119.2024.04.04.13.36.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Apr 2024 13:36:43 -0700 (PDT) Date: Thu, 4 Apr 2024 16:36:41 -0400 From: Peter Xu To: Andrew Morton Cc: Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Huacai Chen , David Hildenbrand , Jason Gunthorpe , Nathan Chancellor , WANG Xuerui , Ryan Roberts , loongarch@lists.linux.dev Subject: Re: [PATCH 1/3] mm: Allow anon exclusive check over hugetlb tail pages Message-ID: References: <20240403013249.1418299-1-peterx@redhat.com> <20240403013249.1418299-2-peterx@redhat.com> <20240404133137.560d15c1a3bc7176424901fb@linux-foundation.org> Precedence: bulk X-Mailing-List: loongarch@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20240404133137.560d15c1a3bc7176424901fb@linux-foundation.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline On Thu, Apr 04, 2024 at 01:31:37PM -0700, Andrew Morton wrote: > On Thu, 4 Apr 2024 10:21:21 -0400 Peter Xu wrote: > > > Andrew, could you help update with Matthew's fixup? The comment is > > definitely better than what I wrote in all cases. > > From: Andrew Morton > Subject: mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix > Date: Thu Apr 4 01:27:47 PM PDT 2024 > > simplify PageAnonExclusive(), per Matthew Thank you! -- Peter Xu