On Mon, 7 May 2007 15:59:44 -0700
Fenghua Yu <[email protected]> wrote:
> On Fri, May 04, 2007 at 05:12:31PM -0700, Fenghua Yu wrote:
> >
> > Call percpu smp cacheline align interface.
> >
>
> This is updated patch. Use new macro name DEFINE_PER_CPU_SHARED_CACHELINE_ALIGNED for better code understanding.
>
> Signed-off-by: Fenghua Yu <[email protected]>
> Acked-by: Suresh Siddha <[email protected]>
hm, DEFINE_PER_CPU_SHARED_CACHELINE_ALIGNED is a bit of a mouthful.
I wonder if we can improve things here so that we use the runtime-detected
cacheline size rather than the compile-time size. I guess not, given that
the offsets into the percpu area are calculated at build-time.
Did you work out how much space this change will actually save? It
should be available by suitable crunching on the nm and objdump output.
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