Re: [RFC] Simplify node/zone portion of page->flags
From: Jesse Barnes
Date: Sun Nov 23 2003 - 17:50:33 EST
On Sun, Nov 23, 2003 at 02:40:52PM -0800, Andrew Morton wrote:
> > zone_num. This makes it trivial to recover either the node or zone
> > number with a simple bitshift. There are many places in the kernel
> > where we do things like: page_zone(page)->zone_pgdat->node_id to
> > determine the node a page belongs to. With this patch we save several
> > pointer dereferences, and it boils down to shifting some bits.
>
> This rather conflicts with the patch from Jesse which I have. Can you guys
> work that out and let me know when you're done?
I like Matt's patch, but haven't tested it yet. I'll try it out on
Monday.
Jesse
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