From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx118.postini.com [74.125.245.118]) by kanga.kvack.org (Postfix) with SMTP id 97ECB6B005D for ; Fri, 19 Oct 2012 06:35:16 -0400 (EDT) Message-ID: <50812E34.5020802@cn.fujitsu.com> Date: Fri, 19 Oct 2012 18:40:52 +0800 From: Wen Congyang MIME-Version: 1.0 Subject: Re: [PATCH v2 0/3] acpi,memory-hotplug : implement framework for hot removing memory References: <1350641040-19434-1-git-send-email-wency@cn.fujitsu.com> <50812949.6040005@jp.fujitsu.com> In-Reply-To: <50812949.6040005@jp.fujitsu.com> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-2022-JP Sender: owner-linux-mm@kvack.org List-ID: To: Yasuaki Ishimatsu Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, liuj97@gmail.com, len.brown@intel.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com, muneda.takahiro@jp.fujitsu.com, rjw@sisk.pl At 10/19/2012 06:19 PM, Yasuaki Ishimatsu Wrote: > CCing Rafael, because he become ACPI Maintainer. > > Hi Wen, > > If you update the patch-set, please CCing Rafael from the next time. OK. Thanks Wen Congyang > > Thanks, > Yasuaki Ishimatsu > > 2012/10/19 19:03, wency@cn.fujitsu.com wrote: >> From: Wen Congyang >> >> The patch-set implements a framework for hot removing memory. >> >> The memory device can be removed by 2 ways: >> 1. send eject request by SCI >> 2. echo 1 >/sys/bus/pci/devices/PNP0C80:XX/eject >> >> In the 1st case, acpi_memory_disable_device() will be called. >> In the 2nd case, acpi_memory_device_remove() will be called. >> acpi_memory_device_remove() will also be called when we unbind the >> memory device from the driver acpi_memhotplug or a driver initialization >> fails. >> >> acpi_memory_disable_device() has already implemented a code which >> offlines memory and releases acpi_memory_info struct . But >> acpi_memory_device_remove() has not implemented it yet. >> >> So the patch prepares the framework for hot removing memory and >> adds the framework into acpi_memory_device_remove(). >> >> The last version of this patchset is here: >> https://lkml.org/lkml/2012/10/3/126 >> >> Changelos from v1 to v2: >> Patch1: use acpi_bus_trim() instead of acpi_bus_remove() >> Patch2: new patch, introduce a lock to protect the list >> Patch3: remove memory too when type is ACPI_BUS_REMOVAL_NORMAL >> Note: I don't send [Patch2-4 v1] in this series because they >> are no logical changes in these 3 patches. >> >> Wen Congyang (2): >> acpi,memory-hotplug: call acpi_bus_trim() to remove memory device >> acpi,memory-hotplug: introduce a mutex lock to protect the list in >> acpi_memory_device >> >> Yasuaki Ishimatsu (1): >> acpi,memory-hotplug : add memory offline code to >> acpi_memory_device_remove() >> >> drivers/acpi/acpi_memhotplug.c | 51 ++++++++++++++++++++++++++++++++-------- >> 1 files changed, 41 insertions(+), 10 deletions(-) >> > > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org