Re: [patch 2/3] add new macros to make percpu readmostly sectioncorrectly align

[Tejun Heo]

Hello,

On Tue, Dec 28, 2010 at 08:26:57AM +0800, Shaohua Li wrote:
> Subject: make readmostly section correctly align
> 
> readmostly section should end at cache line aligned address, otherwise the last
> several data might share cachline with other data and make the readmostly data
> still have cache bounce.
> For example, in ia64, secpath_cachep is the last readmostly data, and it shares
> cacheline with init_uts_ns.
> a000000100e80480 d secpath_cachep
> a000000100e80488 D init_uts_ns
> 
> Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>

Yeap, this looks good to me.

 Acked-by: Tejun Heo <tj@xxxxxxxxxx>

I can route this through percpu tree but think -mm is the better fit.
Andrew, can you please take this one?

Thank you.

-- 
tejun
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