We store init actions forever. 256 bytes per action means that
a typical inittab of ~10 commands uses 2.5k just to remember
command strings - which are usually _much_ shorter than 256 bytes.
At a cost of a bit more code, it's possible to allocate
only actually needed amount.
function old new delta
init_exec 224 248 +24
new_init_action 140 142 +2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>