Messages in this thread | | | From | Andi Kleen <> | Subject | Re: memory resource accounting (was Re: [RFC, PATCH 0/5] Going forward with Resource Management - A cpu controller) | Date | Wed, 9 Aug 2006 08:06:04 +0200 |
| |
> I've been thinking a bit about replacing the mapping and index members > in struct page with a single pointer that point into a cluster data > type. The cluster data type is aligned to a power of two and contains > a header that is shared between all pages within the cluster. The > header contains a base index and mapping. The rest of the cluster is > an array of pfn:s that point back to the actual page.
Nice. While the code would probably do more references i bet it would be faster overall because it would have less cache footprint.
But doing it would be a *lot* of editing work all over file systems/VM/etc.
-Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |