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author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:43:54 +0100 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:43:54 +0100 |
commit | b160292cc216a50fd0cd386b0bda2cd48352c73b (patch) | |
tree | ef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /include/asm-mips/pgtable-32.h | |
parent | b37bde147890c8fea8369a5a4e230dabdea4ebfb (diff) | |
parent | bbf25010f1a6b761914430f5fca081ec8c7accd1 (diff) | |
download | op-kernel-dev-b160292cc216a50fd0cd386b0bda2cd48352c73b.zip op-kernel-dev-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.gz |
Merge Linux 2.6.23
Diffstat (limited to 'include/asm-mips/pgtable-32.h')
-rw-r--r-- | include/asm-mips/pgtable-32.h | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h index 2fbd47e..59c865d 100644 --- a/include/asm-mips/pgtable-32.h +++ b/include/asm-mips/pgtable-32.h @@ -43,11 +43,7 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, */ /* PGDIR_SHIFT determines what a third-level page table entry can map */ -#ifdef CONFIG_64BIT_PHYS_ADDR -#define PGDIR_SHIFT 21 -#else -#define PGDIR_SHIFT 22 -#endif +#define PGDIR_SHIFT (2 * PAGE_SHIFT + PTE_ORDER - PTE_T_LOG2) #define PGDIR_SIZE (1UL << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) @@ -55,17 +51,11 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, * Entries per page directory level: we use two-level, so * we don't really have any PUD/PMD directory physically. */ -#ifdef CONFIG_64BIT_PHYS_ADDR -#define PGD_ORDER 1 +#define __PGD_ORDER (32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2) +#define PGD_ORDER (__PGD_ORDER >= 0 ? __PGD_ORDER : 0) #define PUD_ORDER aieeee_attempt_to_allocate_pud #define PMD_ORDER 1 #define PTE_ORDER 0 -#else -#define PGD_ORDER 0 -#define PUD_ORDER aieeee_attempt_to_allocate_pud -#define PMD_ORDER 1 -#define PTE_ORDER 0 -#endif #define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t)) #define PTRS_PER_PTE ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t)) |