Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 0/5] Sizing zones and holes in an architecture independent manner V7 | Date | Wed, 7 Jun 2006 17:20:22 +0200 |
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> Ok, while true, I'm not sure how it affects performance. The only "real" > value affected by present_pages is the number of patches that are > allocated in batches to the per-cpu allocator.
It affects the low/high water marks in the VM zone balancer.
Especially for the 16MB DMA zone it can make a difference if you account 4MB kernel in there or not.
-Andi
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