tree c7c5ece57c707eacf465af5b954c7b4234b71d96
parent 33f00dcedb0e22cdb156a23632814fc580fcfcf8
author Anton Blanchard <anton@samba.org> 1234526250 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1235346538 +1100

powerpc/mm: Reduce hashtable size when using 64kB pages

At the moment we size the hashtable based on 4kB pages / 2, even on a
64kB kernel. This results in a hashtable that is much larger than it
needs to be.

Grab the real page size and size the hashtable based on that

Note: This only has effect on non hypervisor machines.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>