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authorJoe Perches <joe@perches.com>2012-07-30 14:40:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-30 17:25:14 -0700
commit04d2c8c83d0e3ac5f78aeede51babb3236200112 (patch)
treec32b6197f9487cc18f00e85bdfb935a7a6a92477 /kernel
parentb778b3f25baf46dd88f16d51f1682828be0aa2ad (diff)
downloadlinux-04d2c8c83d0e3ac5f78aeede51babb3236200112.tar.bz2
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>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions