From: Joe Perches <joe@perches.com>
Date: Mon, 30 Jul 2012 21:40:17 +0000 (-0700)
Subject: printk: convert the format for KERN_<LEVEL> to a 2 byte pattern
X-Git-Tag: v3.6-rc1~41^2~93
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=04d2c8c83d0e3ac5f78aeede51babb3236200112;p=pandora-kernel.git

printk: convert the format for KERN_<LEVEL> to a 2 byte pattern

Instead of "<.>", use an ASCII SOH for the KERN_<LEVEL> prefix initiator.

This saves 1 byte per printk, thousands of bytes in a normal kernel.

No output changes are produced as vprintk_emit converts these uses to
"<.>".

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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