From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 6 Feb 2006 17:39:36 -0800 From: Andrew Morton Subject: Re: [PATCH] mm: implement swap prefetching Message-Id: <20060206173936.1a331291.akpm@osdl.org> In-Reply-To: <200602071229.25793.kernel@kolivas.org> References: <200602071028.30721.kernel@kolivas.org> <20060206163842.7ff70c49.akpm@osdl.org> <200602071229.25793.kernel@kolivas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Con Kolivas Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, ck@vds.kolivas.org List-ID: Con Kolivas wrote: > > > > +/* Last total free pages */ > > > +static unsigned long last_free = 0; > > > +static unsigned long temp_free = 0; > > > > Unneeded initialisation. > > Very first use of both of these variables depends on them being initialised. All bss is initialised to zero at bootup. So all the `= 0' is doing here is moving these variables from .bss to .data, and taking up extra space in vmlinux. -- 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