On Fri, 8 Jun 2007, Keshavamurthy, Anil S wrote: > > You _seem_ to be saying that the resource pools are there purely for > > alloc/free performance reasons. If so, I'd be skeptical: slab is pretty > > darned fast. > We need several objects of size say( 4 * sizeof(u64)) and reuse > them in dma map/unmap api calls for managing io virtual allocation address > that > this driver has dished out. Hence having pool of objects where we put > the element in the linked list and and get it from the linked list is pretty > fast compared to slab.
SLUB also manages objects using a linked list. Is there a real performance difference? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
