On Mon, 7 Jun 2004 12:49:33 -0500 Alan Cox <alc_at_cs.rice.edu> wrote: > > vm_page.h contains: > > ---snip--- > > #if PQ_CACHESIZE >= 1024 > > #define PQ_PRIME1 31 /* Prime number somewhat less than PQ_HASH_SIZE */ > > #define PQ_PRIME2 23 /* Prime number somewhat less than PQ_HASH_SIZE */ > > #define PQ_L2_SIZE 256 /* A number of colors opt for 1M cache */ > > ---snip--- > > > > The three defines seem to be the tunables for the page coloring, but > > neither of them seem to be near cache_size/page_size. So even for the > > direct mapped case this doesn't seem to fit your explanation. > > Actually, it does. Divide 1MB (the cache size) by 4KB (the page size) Ooops... I had a different number for the page size in my mind... > > ... Is it as > > easy as using appropriate values for those defines at boot time or is > > there more work involved for auto-tuning version? > > At boot time. That was not my the question...: Do we need to change only places where those defines are used or are other changes required too? Bye, Alexander. -- I'm available to get hired (preferred in .lu). http://www.Leidinger.net Alexander _at_ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7Received on Mon Jun 07 2004 - 17:28:45 UTC
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