From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754014Ab2EXWti (ORCPT ); Thu, 24 May 2012 18:49:38 -0400 Received: from perches-mx.perches.com ([206.117.179.246]:55776 "EHLO labridge.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751101Ab2EXWth (ORCPT ); Thu, 24 May 2012 18:49:37 -0400 From: Joe Perches To: Linus Torvalds , linux-kernel@vger.kernel.org Cc: Greg KH , Kay Sievers , Andrew Morton Subject: [RFC PATCH 0/3] printk: Use a non-printable ASCII SOH for KERN_ Date: Thu, 24 May 2012 15:49:30 -0700 Message-Id: X-Mailer: git-send-email 1.7.8.111.gad25c.dirty Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org printk uses "<.>" as a start of record indicator. This can waste a bit of space and causes a bit of contortion to get a printk emitted that happens to starts with "<.>". Use ASCII Start-of-Header (0x01) as the KERN_LEVEL initiator and save ~10K in an x86 defconfig. Joe Perches (3): printk: Use a non-printable ASCII KERN_ initiator treewide: Fix declaration and uses of old KERN_ style printk: Set KERN_CONT to "" arch/arm/lib/io-acorn.S | 4 +++- arch/arm/vfp/vfphw.S | 8 +++++--- arch/frv/kernel/kernel_thread.S | 2 +- drivers/staging/wlags49_h2/hcf.c | 8 ++++---- drivers/staging/wlags49_h2/wl_main.c | 4 ++-- fs/btrfs/super.c | 9 +++++---- include/linux/printk.h | 23 +++++++++++++---------- kernel/printk.c | 6 +++--- net/bridge/netfilter/ebt_log.c | 2 +- sound/core/misc.c | 8 ++++---- 10 files changed, 41 insertions(+), 33 deletions(-) -- 1.7.8.111.gad25c.dirty