From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 451066B0099 for ; Tue, 26 Jan 2010 18:53:58 -0500 (EST) Message-ID: <4B5F7F53.8060002@nortel.com> Date: Tue, 26 Jan 2010 17:48:35 -0600 From: "Chris Friesen" MIME-Version: 1.0 Subject: Re: which fields in /proc/meminfo are orthogonal? References: <4B5F3C9C.3050908@nortel.com> <4B5F54DE.7030302@nortel.com> In-Reply-To: <4B5F54DE.7030302@nortel.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Linux Kernel , linux-mm@kvack.org List-ID: On 01/26/2010 02:47 PM, Chris Friesen wrote: > I've tried adding up > MemFree+Buffers+Cached+AnonPages+Mapped+Slab+PageTables+VmallocUsed > > (hugepages are disabled and there is no swap) > > Shortly after boot this gets me within about 3MB of MemTotal. However, > after 1070 minutes there is a 64MB difference between MemTotal and the > above sum. Oddly enough, over the same period it appears that MemFree + Active + Inactive + Slab + PageTables is basically (+/- half a meg) constant and equal to "MemTotal - 48.5MB". It would seem that active/inactive track memory that isn't visible in Buffers+Cached+AnonPages+Mapped. Anyone have any suggestions what it might be? Thanks, Chris -- 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