From: Joe Perches <joe@perches.com>
To: Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org
Cc: Greg KH <gregkh@linuxfoundation.org>, Kay Sievers <kay@vrfy.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [RFC PATCH 0/3] printk: Use a non-printable ASCII SOH for KERN_<LEVEL>
Date: Thu, 24 May 2012 15:49:30 -0700 [thread overview]
Message-ID: <cover.1337899274.git.joe@perches.com> (raw)
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_<LEVEL> initiator
treewide: Fix declaration and uses of old KERN_<LEVEL> 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
next reply other threads:[~2012-05-24 22:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-24 22:49 Joe Perches [this message]
2012-05-24 22:49 ` [RFC PATCH 1/3] printk: Use a non-printable ASCII KERN_<LEVEL> initiator Joe Perches
2012-05-24 22:49 ` [RFC PATCH 2/3] treewide: Fix declaration and uses of old KERN_<LEVEL> style Joe Perches
2012-05-24 22:49 ` [RFC PATCH 3/3] printk: Set KERN_CONT to "" Joe Perches
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