Messages in this thread | | | Date | Thu, 8 Apr 2004 02:51:11 +0200 | From | Andi Kleen <> | Subject | Re: NUMA API for Linux |
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On Thu, 8 Apr 2004 02:26:26 +0200 Andrea Arcangeli <andrea@suse.de> wrote:
> On Thu, Apr 08, 2004 at 02:14:48AM +0200, Andi Kleen wrote: > > Eliminate the RB color field or use rb_next() instead of vm_next. First > > alternative is cheaper. > > with eliminate I assume you mean to reuse a bit in the vma for that > (like vma->vm_flags), somewhere the color bit info is needed to make the > rebalanacing in mmap quick but to still guarantee the max height <= 2 * > min height.
Yes. Put it either into flags or into the low order bits of a pointer.
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