Re: [PATCH] ipc: Convert ipcs_idr to XArray

[Matthew Wilcox]

On Mon, Apr 20, 2020 at 10:06:03AM -0700, Matthew Wilcox wrote:
> On Mon, Apr 20, 2020 at 05:35:20PM +0200, Manfred Spraul wrote:
> > Would it be possible to use something like
> > 
> >     xa_alloc(,entry=NULL,)
> > 
> >     new->seq = ...
> > 
> >     xa_store(,entry=new,);
> 
> Yes, that would absolutely be possible, and some users do exactly that.
> I thought that creating a new message queue / semaphore set / shared
> memory segment would be performance sensitive.

Updated: