Thanks a lot...paging mechanism working successfully... Regards, Sumedh
On Sun, Feb 8, 2009 at 2:47 AM, Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote: > 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
