On Wed, Apr 3, 2019 at 5:51 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Wed, Apr 03, 2019 at 05:24:26PM +0200, Matteo Croce wrote: > > On Wed, Apr 3, 2019 at 4:02 PM Christian Brauner <christian@xxxxxxxxxx> wrote: > > > Yeah, maybe but it still feels cleaner and more obvious to just add: > > > > > > static long long_zero; > > > > > > given that most callers actually seem to want an (unsigned) int. > > > > > > I don't have a strong opinion though so if others feel that it's just a > > > waste of space consider it acked. > > > > > > > Well, given that the value is zero, in this expectional case we could > > avoid duplicating the symbol and save 4 bytes. > > What the maintainers think? > > If we care about saving four bytes, we could just pass the address of > ZERO_PAGE(0). That would work, work too, maybe it's a bit overkill. int zero is always there and it's static, so enlarging it to long should be a straightforward fix. Obviously we can't do it for other numbers, but we can alias it just for the zero case.. Regards, -- Matteo Croce per aspera ad upstream
