Re: [PATCH v5 00/11] mempolicy2, mbind2, and weighted interleave

[Gregory Price]

> >> > struct mpol_args {
> >> >         /* Basic mempolicy settings */
> >> >         __u16 mode;
> >> >         __u16 mode_flags;
> >> >         __s32 home_node;
> >> >         __u64 pol_maxnodes;
> >> 
> >> I understand that we want to avoid hole in struct.  But I still feel
> >> uncomfortable to use __u64 for a small.  But I don't have solution too.
> >> Anyone else has some idea?
> >>
> >
> > maxnode has been an `unsigned long` in every other interface for quite
> > some time.  Seems better to keep this consistent rather than it suddenly
> > become `unsigned long` over here and `unsigned short` over there.
> 
> I don't think that it matters.  The actual maximum node number will be
> less than maximum `unsigned short`.
> 

the structure will end up being

struct mpol_args {
	__u16 mode;
	__u16 mode_flags;
	__s32 home_node;
	__u16 pol_maxnodes;
	__u8  rsv[6];
	__aligned_u64 pol_nodes;
	__aligned_u64 il_weights;
}

If you're fine with that, i'll make the change.
~Gregory