On Sat, 2009-02-07 at 11:43 +0530, sumedh tirodkar wrote: > Hello, > > I wanted algorithm for creating hash tables used in paging mechanism.. > In the manual that i read i got algorithm to convert Effective Address > to Real Address using these hash tables that are created..but i could > not find how these hash tables are created in first place using the > Real addresses. > Is there any document available for the same?
There's one MMU hash table. It's allocated & cleared by the kernel during early boot or by the hypervisor and pointed to by the SDR1 register. It's populated by code in arch/powerpc/mm/hash_low_64.S or hash_low_32.S, typically as the result of a hash miss exception. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
