Messages in this thread | | | From | (Victor Yodaiken) | Date | Tue, 12 Aug 1997 20:17:39 -0600 | Subject | Re: Memory Management - BSD vs Linux |
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On Aug 12, 7:19pm, "David S. Miller" wrote: Subject: Re: Memory Management - BSD vs Linux >Be careful. Unless you have a special L1 cache bypassing load >instruction, you can end up thrashing the dcache horribly with such a >scheme.
We were just talking about this and my guess was just the reverse. The hash tables are designed to scatter so that series of references to adjacent virtual page numbers should distribute over the table. The multi-level scheme localizes ptes. So, first guess is that bypassing hash table should make the dcache work better. Why is that wrong?
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