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| author | David Woodhouse <dwmw2@infradead.org> | 2007-08-23 13:43:14 +0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-23 13:43:14 +0400 |
| commit | ac0c955d5048c2c580fa7166a89133f0fd76c125 (patch) | |
| tree | 041ac4fb544c7244a1a0b35c8ceabc142d5645c1 /include/asm-powerpc/pgtable-64k.h | |
| parent | 68d09b1b6780415d82160f6b6d88e82bd724e691 (diff) | |
| parent | b377fd3982ad957c796758a90e2988401a884241 (diff) | |
| download | linux-ac0c955d5048c2c580fa7166a89133f0fd76c125.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-powerpc/pgtable-64k.h')
| -rw-r--r-- | include/asm-powerpc/pgtable-64k.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/asm-powerpc/pgtable-64k.h b/include/asm-powerpc/pgtable-64k.h index 31cbd3d7fce8..33ae9018fe72 100644 --- a/include/asm-powerpc/pgtable-64k.h +++ b/include/asm-powerpc/pgtable-64k.h @@ -49,12 +49,10 @@ /* Shift to put page number into pte. * - * That gives us a max RPN of 32 bits, which means a max of 48 bits - * of addressable physical space. - * We could get 3 more bits here by setting PTE_RPN_SHIFT to 29 but - * 32 makes PTEs more readable for debugging for now :) + * That gives us a max RPN of 34 bits, which means a max of 50 bits + * of addressable physical space, or 46 bits for the special 4k PFNs. */ -#define PTE_RPN_SHIFT (32) +#define PTE_RPN_SHIFT (30) #define PTE_RPN_MAX (1UL << (64 - PTE_RPN_SHIFT)) #define PTE_RPN_MASK (~((1UL<<PTE_RPN_SHIFT)-1)) |