From: Ben Hutchings <b...@decadent.org.uk> Date: Tue, 01 Mar 2016 17:14:06 +0000
> On Tue, 2016-03-01 at 11:42 -0500, David Miller wrote: >> From: Nicolas Dichtel <nicolas.dich...@6wind.com> >> Date: Tue, 1 Mar 2016 16:20:41 +0100 >> >> > DIV_ROUND_UP and is defined in linux/kernel.h only for the kernel. INT_MAX >> > needs limits.h in userland. >> >> It is wrong to provide a definition of this in the user visible global >> namespace. > > Which is why he's not doing that... No, that's exactly what he's doing: +#ifndef __KERNEL__ +#include <limits.h> /* for INT_MAX */ +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) +#endif in a uapi header file. "If not kernel, define DEV_ROUND_UP"