* Eric Dumazet <eric.dumazet@xxxxxxxxx> [111102 15:46]: > On 03/11/2011 00:19, Tony Lindgren wrote: > > > * David Miller <davem@xxxxxxxxxxxxx> [111102 15:42]: > >> c> > >>> The issue is calculation of skb->end, which is based upon calculated > >>> 'size' variable. > >>> > >>> skb->end determines alignment of skb_shared_info, which is where the > >>> alignment problem is occuring for Tony. > >> > >> Right, and SMP_CACHE_BYTES setting should save us in any case. > >> > >> For ARM, SMP_CACHE_BYTES seems to be set to L1_CACHE_BYTES which in > >> turn is set via ARM_L1_CACHE_SHIFT which can be set seemingly to any > >> value but the defaults are 5 and 6 which should be OK. > >> > >> So unless Tony is using a non-standard setting of ARM_L1_CACHE_SHIFT, > >> this report is a bit mysterious. > > > > This is happening at least with omap1_defconfig. In that case we have > > ARM_L1_CACHE_SHIFT=5. > > > > Regards, > > > > Tony > > > Do you use SLOB, SLUB or SLAB ? Seems to be SLOB for omap1_defconfig. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
