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[PATCH] ppc32: Allow adjust of pfn offset in pte
authorKumar Gala <galak@freescale.com>
Sat, 16 Apr 2005 22:24:21 +0000 (15:24 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Sat, 16 Apr 2005 22:24:21 +0000 (15:24 -0700)
commitb464fce5edc08a825907e9d48a2d2f1af0393fef
treee92083cc989a20d363bfb4de438098a30e8f3843tree | snapshot (tar.gz zip)
parenta85f6d4aca822acdb49d27c44519cd6514b06a1dcommit | diff
[PATCH] ppc32: Allow adjust of pfn offset in pte

Allow the pfn to be offset by more than just PAGE_SHIFT in the pte.  Today,
PAGE_SHIFT tends to allow us to have 12-bits of flags in the pte.  In the
future if we have a larger pte we can allocate more bits for flags by
offsetting the pfn even further.

Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
include/asm-ppc/pgtable.h diff | blob | blame | history