Re: [PATCH] SMP support for drain local pages v2.

[Andrew Morton]

Nigel Cunningham <ncunningham@xxxxxxxxxxxxx> wrote:
>
> Hi.
> 
> Andrew Morton wrote:
> > I think we only need a single entry point.  Make it a new "drain_percpu_pages()"
> > or such to break unconverted callers, switch callers of drain_local_pages()
> > over to the new function.   It needs no SMP ifdefs in it - on_each_cpu() will
> > do the right thing on UP.
> > 
> > But until something which needs this change is merged into the tree I'd say
> > that this patch should live with the patch which requires it.
> 
> CPU hotplugging uses drain_local_pages,

Early versions did, but not now.
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