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[198.145.29.99]) by mx.google.com with ESMTPS id u3si20444250pgb.317.2019.07.26.16.02.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jul 2019 16:02:40 -0700 (PDT) Received-SPF: pass (google.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) client-ip=198.145.29.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=2UhTedPZ; spf=pass (google.com: domain of akpm@linux-foundation.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org Received: from localhost.localdomain (c-73-223-200-170.hsd1.ca.comcast.net [73.223.200.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F11A921994; Fri, 26 Jul 2019 23:02:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564182160; bh=uog7xDvm2Trfq+568RxA/iEycB6CRRejnXbrvr8BSdY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=2UhTedPZgajbGffiDMPEjqh9WvdDSCfJpTpcwge1EckBFQeXPRAAOUE224YbTQlOS m3Y7UOcKHobcI4Ihfus2az9muFpUFcpJhLNy22x+4J/gwhKkUZ5lPIp+dPpJjz1Fgv rlMlOoGOJE83ZjTF3wGfOM25M+WcnUIekcZo6eTw= Date: Fri, 26 Jul 2019 16:02:39 -0700 From: Andrew Morton To: Song Liu Cc: , , , , , , , , , Subject: Re: [PATCH v9 4/4] uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT Message-Id: <20190726160239.68f538a79913df343308b473@linux-foundation.org> In-Reply-To: <20190726054654.1623433-5-songliubraving@fb.com> References: <20190726054654.1623433-1-songliubraving@fb.com> <20190726054654.1623433-5-songliubraving@fb.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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: On Thu, 25 Jul 2019 22:46:54 -0700 Song Liu wrote: > This patches uses newly added FOLL_SPLIT_PMD in uprobe. This enables easy > regroup of huge pmd after the uprobe is disabled (in next patch). Confused. There is no "next patch".