On 12/09/15 at 10:38am, Herbert Xu wrote: > On Wed, Dec 09, 2015 at 03:36:32AM +0100, Thomas Graf wrote: > > > > Without knowing your exact implementation plans: introducing an > > additional reference indirection for every lookup will have a > > huge performance penalty as well. > > > > Is your plan to only introduce the master table after an > > allocation has failed? > > Right, obviously the extra indirections would only come into play > after a failed allocation. As soon as we can run the worker thread > it'll try to remove the extra indirections by doing vmalloc.
OK, this sounds like a good compromise. The penalty is isolated for the duration of the atomic burst. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
