From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx158.postini.com [74.125.245.158]) by kanga.kvack.org (Postfix) with SMTP id 46C316B00B8 for ; Tue, 17 Jan 2012 08:32:36 -0500 (EST) Received: by vbbfa15 with SMTP id fa15so2089353vbb.14 for ; Tue, 17 Jan 2012 05:32:35 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <5b429d6c4d0a3ad06ec01193eab7edc98a03e0de.1326803859.git.leonid.moiseichuk@nokia.com> References: <5b429d6c4d0a3ad06ec01193eab7edc98a03e0de.1326803859.git.leonid.moiseichuk@nokia.com> Date: Tue, 17 Jan 2012 15:32:35 +0200 Message-ID: Subject: Re: [PATCH v2 2/2] Memory notification pseudo-device module From: Pekka Enberg Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Leonid Moiseichuk Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, cesarb@cesarb.net, kamezawa.hiroyu@jp.fujitsu.com, emunson@mgebm.net, aarcange@redhat.com, riel@redhat.com, mel@csn.ul.ie, rientjes@google.com, dima@android.com, gregkh@suse.de, rebecca@android.com, san@google.com, akpm@linux-foundation.org, vesa.jaaskelainen@nokia.com On Tue, Jan 17, 2012 at 3:22 PM, Leonid Moiseichuk wrote: > The memory notification (memnotify) device tracks level of memory utilization, > active page set and notifies subscribed processes when consumption crossed > specified threshold(s) up or down. It could be used on embedded devices to > implementation of performance-cheap memory reacting by using > e.g. libmemnotify or similar user-space component. > > The minimal (250 ms) and maximal (15s) periods of reaction and granularity > (~1.4% of memory size) could be tuned using module options. > > Signed-off-by: Leonid Moiseichuk Is the point of making this a misc device to keep the ABI compatible with N9? Is the ABI documented? Pekka -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org