On Fri, Jun 08, 2007 at 03:33:39PM -0700, Christoph Lameter wrote:
> 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?
Sorry, I have not tried using SLUB, I will surely check this out.
-Anil
-
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/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
