mm-remove-compressed-copy-from-zram-in-memory-fix-2-fix

mm-remove-compressed-copy-from-zram-in-memory-fix-2-fix

invert unlikely() test, augment comment, 80-col cleanup

Cc: Artem Savkov <artem.savkov@gmail.com>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Konrad Rzeszutek Wilk <konrad@darnok.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: Shaohua Li <shli@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>