Re: [RFC][PATCH] Put size in array to get rid of barriers in grow_ary()

[Hugh Dickins]

On Fri, 10 Sep 2004, Paul E. McKenney wrote:
> On Wed, Sep 08, 2004 at 03:07:53PM -0700, Paul E. McKenney wrote:
> > On Wed, Sep 08, 2004 at 04:39:43PM +0100, Hugh Dickins wrote:
> > > Wouldn't it be a little nicer to start ipc_ids off pointing to a
> > > const ipc_id_ary of size 0, to avoid the various entries == NULL
> > > tests you had to add?
> > 
> > I like this one!!!  Will put a patch together.  Manfred's recent
> > patch applied a refcount, which negates the const part, but should
> > be no problem to put a size-zero structure in the struct ipc_ids.
> > (Having a separately allocated structure puts me back to checking
> > NULL pointers due to possibility of allocation failure.)
> 
> And here, finally, is the updated patch.  Still untested.

That looks good, Paul, thank you.  (But I too have not tested.)

Hugh

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