[lkml]   [2011]   [Nov]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] net: Add back alignment for size for __alloc_skb
* David Miller <> [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



 \ /
  Last update: 2011-11-03 00:21    [W:0.038 / U:34.996 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site