2011-02-10 (ë), 22:10 +0900, Minchan Kim: > Hello Namhyung, > Hi Minchan, > On Thu, Feb 10, 2011 at 8:46 PM, Namhyung Kim <namhyung@xxxxxxxxx> wrote: > > Now I'm seeing that there are some cases to free all pages in a > > pcp lists. In that case, just frees all pages in the lists instead > > of being bothered with round-robin lists traversal. > > I though about that but I didn't send the patch. > That's because many cases which calls free_pcppages_bulk(, > pcp->count,..) are slow path so it adds comparison overhead on fast > path while it loses the effectiveness in slow path. > Hmm.. How about adding unlikely() then? Doesn't it help much here? -- Regards, Namhyung Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>