Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755937Ab1D3K2e (ORCPT ); Sat, 30 Apr 2011 06:28:34 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:58416 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755518Ab1D3K2c (ORCPT ); Sat, 30 Apr 2011 06:28:32 -0400 Date: Sat, 30 Apr 2011 11:29:37 +0100 From: Alan Cox To: Andrew Morton Cc: Jan Kara , LKML , Greg KH Subject: Re: Allow setting of number of raw devices as a module parameter Message-ID: <20110430112937.06024368@lxorguk.ukuu.org.uk> In-Reply-To: <20110429162817.2eb26efb.akpm@linux-foundation.org> References: <1304029469-19672-1-git-send-email-jack@suse.cz> <20110429162817.2eb26efb.akpm@linux-foundation.org> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.0; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 846 Lines: 19 On Fri, 29 Apr 2011 16:28:17 -0700 Andrew Morton wrote: > On Fri, 29 Apr 2011 00:24:29 +0200 > Jan Kara wrote: > > > Allow setting of maximal number of raw devices as a module parameter. This > > requires changing of static array into a vmalloced one (the array is going to > > be too large for kmalloc). A large vmalloc array is very antisocial on a 32bit x86 box. It looks like almost all of it would become sane if there was an array of pointers to raw devices and the devices were initially allocated on need (even if for now only recovered on rmmod) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/