Now that lz4 kernel compression is available, add *.lz4 to .gitignore.
Signed-off-by: NMarkus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: NKyungsik Lee <kyungsik.lee@lge.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>