Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 23 Nov 2000 14:32:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 23 Nov 2000 14:32:27 -0500 Received: from mail.zmailer.org ([194.252.70.162]:40973 "EHLO zmailer.org") by vger.kernel.org with ESMTP id ; Thu, 23 Nov 2000 14:32:23 -0500 Date: Thu, 23 Nov 2000 21:02:07 +0200 From: Matti Aarnio To: Tigran Aivazian Cc: linux-kernel@vger.kernel.org Subject: Re: alloc_tty_struct() question. Message-ID: <20001123210207.D28963@mea-ext.zmailer.org> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ; from tigran@aivazian.fsnet.co.uk on Thu, Nov 23, 2000 at 06:54:48PM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 23, 2000 at 06:54:48PM +0000, Tigran Aivazian wrote: > Hi, > > The sizeof(struct tty_struct) = 3084. Why don't we have a private slab > cache for it instead of getting a page and wasting some precious bytes at > the end? Potentially, we can have thousands of tty_struct allocated > (assuming we have thousands of concurrent users)... Potentially thousands, in practice some 10-30. Wastage will be worse with 8k pages, of course. > regards, > Tigran - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/