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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88219C43603 for ; Wed, 11 Dec 2019 12:30:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6218520836 for ; Wed, 11 Dec 2019 12:30:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729117AbfLKMaG (ORCPT ); Wed, 11 Dec 2019 07:30:06 -0500 Received: from mx2.suse.de ([195.135.220.15]:40000 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727477AbfLKMaG (ORCPT ); Wed, 11 Dec 2019 07:30:06 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id BDB67AE50; Wed, 11 Dec 2019 12:30:04 +0000 (UTC) Subject: Re: [PATCH v6 1/3] xenbus/backend: Add memory pressure handler callback To: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , SeongJae Park Cc: axboe@kernel.dk, konrad.wilk@oracle.com, SeongJae Park , pdurrant@amazon.com, sjpark@amazon.com, xen-devel@lists.xenproject.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20191211042428.5961-1-sjpark@amazon.de> <20191211042657.6037-1-sjpark@amazon.de> <20191211114651.GN980@Air-de-Roger> From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= Message-ID: Date: Wed, 11 Dec 2019 13:30:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <20191211114651.GN980@Air-de-Roger> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 11.12.19 12:46, Roger Pau Monné wrote: > On Wed, Dec 11, 2019 at 04:26:57AM +0000, SeongJae Park wrote: >> + >> return 0; >> } >> subsys_initcall(xenbus_probe_backend_init); >> diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h >> index 869c816d5f8c..196260017666 100644 >> --- a/include/xen/xenbus.h >> +++ b/include/xen/xenbus.h >> @@ -104,6 +104,7 @@ struct xenbus_driver { >> struct device_driver driver; >> int (*read_otherend_details)(struct xenbus_device *dev); >> int (*is_ready)(struct xenbus_device *dev); >> + void (*reclaim)(struct xenbus_device *dev); > > reclaim_memory (if Juergen agrees). I do agree. Juergen