diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-03 15:16:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-03 15:16:33 -0700 |
| commit | 22da317629bad23816f3fa26d657fb46e7af21c7 (patch) | |
| tree | ea9e97afd3aca46c16b77468ef91e5e39d36ed7f /include/asm-powerpc/pgtable-64k.h | |
| parent | 3e847423bf029c2170692c75580a856debed617b (diff) | |
| parent | 67439b76f29cb278bb3412fc873b980fc65110c9 (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Fixes for the SLB shadow buffer code
[POWERPC] Fix a compile warning in powermac/feature.c
[POWERPC] Fix a compile warning in pci_32.c
[POWERPC] Fix parse_drconf_memory() for 64-bit start addresses
[POWERPC] Fix num_cpus calculation in smp_call_function_map()
[POWERPC] ps3: Fix section mismatch in ps3/setup.c
[POWERPC] spufs: Fix affinity after introduction of node_allowed() calls
[POWERPC] Fix special PTE code for secondary hash bucket
[POWERPC] Expand RPN field to 34 bits when using 64k pages
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 31cbd3d7fce..33ae9018fe7 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)) |