> On 30 May 2018, at 17:10, Jason Gunthorpe <jgg@xxxxxxxx> wrote: > > On Wed, May 30, 2018 at 02:22:56PM +0200, Hans Westgaard Ry wrote: > >> We came up with this code snippet which we think handles both preventing >> immediate re-use and too big/wrapping... > > Isn't this basically the same as idr_alloc_cyclic ? I draw my statement back. The idr_alloc_cyclic() is the family of idr's that associates a pointer with the bit. Hence, each bit is a bit + 64b. That's why we ended up with Hans' pseudo code. Thxs, Håkon > > Jason > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html