Re: [ovs-dev] [PATCH net-next v5 1/2] net: Use 16bits for *_headers fields of struct skbuff

2013-05-29 Thread Olof Johansson
Hi, On Wed, May 29, 2013 at 3:54 PM, Simon Horman wrote: > On Wed, May 29, 2013 at 02:46:05PM -0700, Olof Johansson wrote: >> Sorry, that was not a great bug report. >> >> So, looks like it's the removal of NET_SKBUFF_DATA_USES_OFFSET that >> does it for me. >

Re: [ovs-dev] [PATCH net-next v5 1/2] net: Use 16bits for *_headers fields of struct skbuff

2013-05-29 Thread Olof Johansson
trace out of it. Simon, maybe you can reproduce on shmobile hardware? On Wed, May 29, 2013 at 2:21 PM, Olof Johansson wrote: > Simon, > > On Thu, May 23, 2013 at 11:51 PM, Simon Horman wrote: >> In order to mitigate ongoing incresase in the size of struct skbuff >> us

Re: [ovs-dev] [PATCH net-next v5 1/2] net: Use 16bits for *_headers fields of struct skbuff

2013-05-29 Thread Olof Johansson
Simon, On Thu, May 23, 2013 at 11:51 PM, Simon Horman wrote: > In order to mitigate ongoing incresase in the size of struct skbuff > use 16 bit integer offsets rather than pointers for inner_*_headers. > > This appears to reduce the size of struct skbuff from 0xd0 to 0xc0 > bytes on x86_64 with t