Messages in this thread |  | | Date | Sun, 09 Sep 2001 13:44:44 -0700 (PDT) | From | Davide Libenzi <> | Subject | Re: Purpose of the mm/slab.c changes |
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On 09-Sep-2001 Rik van Riel wrote: > On Sun, 9 Sep 2001, Manfred Spraul wrote: > >> > it provides lifo allocations from both partial and unused slabs. >> >> lifo/fifo for unused slabs is obviously superflous - free is >> free, it doesn't matter which free page is used first/last. > > Mind that the L2 cache is often as much as 10 times faster > than RAM, so it would be nice if we had a good chance that > the slab we just allocated would be in L2 cache.
Do You see it as a plus ? The new allocated slab will be very likely written ( w/o regard about the old content ) and an L2 mapping will generate invalidate traffic.
- Davide
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