From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753795Ab2AaEHi (ORCPT ); Mon, 30 Jan 2012 23:07:38 -0500 Received: from mail-yx0-f174.google.com ([209.85.213.174]:41309 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752558Ab2AaEHg (ORCPT ); Mon, 30 Jan 2012 23:07:36 -0500 From: Sasha Levin To: rusty@rustcorp.com.au Cc: linux-kernel@vger.kernel.org, Sasha Levin , Tim Abbott , stable@vger.kernel.org Subject: [PATCH] module: Remove module size limit Date: Mon, 30 Jan 2012 23:07:22 -0500 Message-Id: <1327982842-13898-1-git-send-email-sasha.levin@oracle.com> X-Mailer: git-send-email 1.7.8.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Module size was limited to 64MB, this was legacy limitation due to vmalloc() which was removed a while ago. Limiting module size to 64MB is both pointless and affects real world use cases. Cc: Rusty Russell Cc: Tim Abbott Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin --- kernel/module.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/kernel/module.c b/kernel/module.c index 2c93276..3d56b6f 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2380,8 +2380,7 @@ static int copy_and_check(struct load_info *info, return -ENOEXEC; /* Suck in entire file: we'll want most of it. */ - /* vmalloc barfs on "unusual" numbers. Check here */ - if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL) + if ((hdr = vmalloc(len)) == NULL) return -ENOMEM; if (copy_from_user(hdr, umod, len) != 0) { -- 1.7.8.4