Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756153Ab0KAJc6 (ORCPT ); Mon, 1 Nov 2010 05:32:58 -0400 Received: from mail-vw0-f46.google.com ([209.85.212.46]:54630 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755523Ab0KAJcz convert rfc822-to-8bit (ORCPT ); Mon, 1 Nov 2010 05:32:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=oAsNK+FRDB4r/2vrLmEevfxVAGxgdrTFDqg6jK3pL2OE+VSjIzNv57Exc+gCDRgJCi eYAiZJ2AIKkl7dN2KQP2XzE7sfhQspAiEnXGX4rzExgS51MscT+79eZVZSth069ea4eQ RXYyo8xSv9eQJRkYakRyimKCZWuK52gsnots0= MIME-Version: 1.0 In-Reply-To: <20101101092947.GB6023@cr0.nay.redhat.com> References: <20101101092947.GB6023@cr0.nay.redhat.com> Date: Mon, 1 Nov 2010 17:32:55 +0800 Message-ID: Subject: Re: How many params can be accept by kernel module at most? From: tingwei liu To: =?UTF-8?Q?Am=C3=A9rico_Wang?= Cc: linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 795 Lines: 20 What's the meaning of dynamically and statically? You response help me much. Thank you 2010/11/1 Américo Wang : > On Mon, Nov 01, 2010 at 02:17:23PM +0800, tingwei liu wrote: >>How many params can be accept by kernel module at most? > > If you mean dynamically, these parameters are passed as a whole to kernel, > from the source code, you can see the max length is ~0UL>>1. > > If you mean statically, IOW, the max paramenters you can provide in your module, > this is limited by ELF section size. > > Hope this helps. > -- 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/