Re: [PATCH 1/2] Prepare the tree for un-inlined jhash.

[Jozsef Kadlecsik]

On Thu, 25 Nov 2010, Jan Engelhardt wrote:

> On Thursday 2010-11-25 14:15, Jozsef Kadlecsik wrote:
> 
> >jhash is widely used in the kernel and because the functions
> >are inlined, the cost in size is significant. Also, the new jhash
> >functions are slightly larger than the previous ones so better un-inline.
> >As a preparation step, the calls to the internal macros are replaced
> >with the plain jhash function calls.
> 
> Do you have a non-normative allyesconfig/allmodconfig build whose 
> size(1) you can run on, to show approximately just how much it differs?

In the cover mail I referred the link to the message from Ilpo Jarvinen: 
"I once looked into inlining cost and jhash functions were among the most 
wasteful (kernel-wide). Multiple jhash bodies were 100+ bytes, and the 
overall cost was 10k+."

Best regards,
Jozsef
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