On 2 January 2013 09:15, voncken <cedric.voncken@xxxxxxxxx> wrote: > Yes, > > I used an mpc8314 at 400Mhz, with 128 Mbit of RAM for my test. Ah! > To find it, I measured the time elapsing in ath_rxbuf_alloc(..) with > the kernel function local_clock(). > > With SLOB I found around 123 us (and I have an infinite loop in > ath9k tasklet, because when I have consumed one packet the next packet is > ready to rx process) > With SLAB I found around 22 us > With SLUB I found around 10 us Cool. That's significantly more CPU.. :-) So yes, the right thing to do here is to break out after a limit is reached, and if we hit that limit, re-schedule that tasklet to run. Adrian -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html