diff options
-rw-r--r-- | include/asm-powerpc/pgtable-ppc32.h | 22 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable-ppc64.h | 29 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable.h | 28 |
3 files changed, 28 insertions, 51 deletions
diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h index 63c535d02535..5b14536d4af8 100644 --- a/include/asm-powerpc/pgtable-ppc32.h +++ b/include/asm-powerpc/pgtable-ppc32.h | |||
@@ -6,11 +6,7 @@ | |||
6 | #ifndef __ASSEMBLY__ | 6 | #ifndef __ASSEMBLY__ |
7 | #include <linux/sched.h> | 7 | #include <linux/sched.h> |
8 | #include <linux/threads.h> | 8 | #include <linux/threads.h> |
9 | #include <asm/processor.h> /* For TASK_SIZE */ | ||
10 | #include <asm/mmu.h> | ||
11 | #include <asm/page.h> | ||
12 | #include <asm/io.h> /* For sub-arch specific PPC_PIN_SIZE */ | 9 | #include <asm/io.h> /* For sub-arch specific PPC_PIN_SIZE */ |
13 | struct mm_struct; | ||
14 | 10 | ||
15 | extern unsigned long va_to_phys(unsigned long address); | 11 | extern unsigned long va_to_phys(unsigned long address); |
16 | extern pte_t *va_to_pte(unsigned long address); | 12 | extern pte_t *va_to_pte(unsigned long address); |
@@ -488,14 +484,6 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); | |||
488 | #define pfn_pte(pfn, prot) __pte(((pte_basic_t)(pfn) << PFN_SHIFT_OFFSET) |\ | 484 | #define pfn_pte(pfn, prot) __pte(((pte_basic_t)(pfn) << PFN_SHIFT_OFFSET) |\ |
489 | pgprot_val(prot)) | 485 | pgprot_val(prot)) |
490 | #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) | 486 | #define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot) |
491 | |||
492 | /* | ||
493 | * ZERO_PAGE is a global shared page that is always zero: used | ||
494 | * for zero-mapped memory areas etc.. | ||
495 | */ | ||
496 | extern unsigned long empty_zero_page[1024]; | ||
497 | #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) | ||
498 | |||
499 | #endif /* __ASSEMBLY__ */ | 487 | #endif /* __ASSEMBLY__ */ |
500 | 488 | ||
501 | #define pte_none(pte) ((pte_val(pte) & ~_PTE_NONE_MASK) == 0) | 489 | #define pte_none(pte) ((pte_val(pte) & ~_PTE_NONE_MASK) == 0) |
@@ -730,10 +718,6 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | |||
730 | #define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) | 718 | #define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) |
731 | #define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) | 719 | #define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) |
732 | 720 | ||
733 | extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; | ||
734 | |||
735 | extern void paging_init(void); | ||
736 | |||
737 | /* | 721 | /* |
738 | * Encode and decode a swap entry. | 722 | * Encode and decode a swap entry. |
739 | * Note that the bits we use in a PTE for representing a swap entry | 723 | * Note that the bits we use in a PTE for representing a swap entry |
@@ -751,12 +735,6 @@ extern void paging_init(void); | |||
751 | #define pte_to_pgoff(pte) (pte_val(pte) >> 3) | 735 | #define pte_to_pgoff(pte) (pte_val(pte) >> 3) |
752 | #define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE }) | 736 | #define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE }) |
753 | 737 | ||
754 | /* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ | ||
755 | #define kern_addr_valid(addr) (1) | ||
756 | |||
757 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | ||
758 | remap_pfn_range(vma, vaddr, pfn, size, prot) | ||
759 | |||
760 | /* | 738 | /* |
761 | * No page table caches to initialise | 739 | * No page table caches to initialise |
762 | */ | 740 | */ |
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h index 9b0f51ccad05..d61178dea670 100644 --- a/include/asm-powerpc/pgtable-ppc64.h +++ b/include/asm-powerpc/pgtable-ppc64.h | |||
@@ -7,11 +7,7 @@ | |||
7 | 7 | ||
8 | #ifndef __ASSEMBLY__ | 8 | #ifndef __ASSEMBLY__ |
9 | #include <linux/stddef.h> | 9 | #include <linux/stddef.h> |
10 | #include <asm/processor.h> /* For TASK_SIZE */ | ||
11 | #include <asm/mmu.h> | ||
12 | #include <asm/page.h> | ||
13 | #include <asm/tlbflush.h> | 10 | #include <asm/tlbflush.h> |
14 | struct mm_struct; | ||
15 | #endif /* __ASSEMBLY__ */ | 11 | #endif /* __ASSEMBLY__ */ |
16 | 12 | ||
17 | #ifdef CONFIG_PPC_64K_PAGES | 13 | #ifdef CONFIG_PPC_64K_PAGES |
@@ -143,16 +139,6 @@ struct mm_struct; | |||
143 | #define __S110 PAGE_SHARED_X | 139 | #define __S110 PAGE_SHARED_X |
144 | #define __S111 PAGE_SHARED_X | 140 | #define __S111 PAGE_SHARED_X |
145 | 141 | ||
146 | #ifndef __ASSEMBLY__ | ||
147 | |||
148 | /* | ||
149 | * ZERO_PAGE is a global shared page that is always zero: used | ||
150 | * for zero-mapped memory areas etc.. | ||
151 | */ | ||
152 | extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; | ||
153 | #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) | ||
154 | #endif /* __ASSEMBLY__ */ | ||
155 | |||
156 | #ifdef CONFIG_HUGETLB_PAGE | 142 | #ifdef CONFIG_HUGETLB_PAGE |
157 | 143 | ||
158 | #define HAVE_ARCH_UNMAPPED_AREA | 144 | #define HAVE_ARCH_UNMAPPED_AREA |
@@ -447,10 +433,6 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, | |||
447 | #define pgd_ERROR(e) \ | 433 | #define pgd_ERROR(e) \ |
448 | printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) | 434 | printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) |
449 | 435 | ||
450 | extern pgd_t swapper_pg_dir[]; | ||
451 | |||
452 | extern void paging_init(void); | ||
453 | |||
454 | /* Encode and de-code a swap entry */ | 436 | /* Encode and de-code a swap entry */ |
455 | #define __swp_type(entry) (((entry).val >> 1) & 0x3f) | 437 | #define __swp_type(entry) (((entry).val >> 1) & 0x3f) |
456 | #define __swp_offset(entry) ((entry).val >> 8) | 438 | #define __swp_offset(entry) ((entry).val >> 8) |
@@ -461,17 +443,6 @@ extern void paging_init(void); | |||
461 | #define pgoff_to_pte(off) ((pte_t) {((off) << PTE_RPN_SHIFT)|_PAGE_FILE}) | 443 | #define pgoff_to_pte(off) ((pte_t) {((off) << PTE_RPN_SHIFT)|_PAGE_FILE}) |
462 | #define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_RPN_SHIFT) | 444 | #define PTE_FILE_MAX_BITS (BITS_PER_LONG - PTE_RPN_SHIFT) |
463 | 445 | ||
464 | /* | ||
465 | * kern_addr_valid is intended to indicate whether an address is a valid | ||
466 | * kernel address. Most 32-bit archs define it as always true (like this) | ||
467 | * but most 64-bit archs actually perform a test. What should we do here? | ||
468 | * The only use is in fs/ncpfs/dir.c | ||
469 | */ | ||
470 | #define kern_addr_valid(addr) (1) | ||
471 | |||
472 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | ||
473 | remap_pfn_range(vma, vaddr, pfn, size, prot) | ||
474 | |||
475 | void pgtable_cache_init(void); | 446 | void pgtable_cache_init(void); |
476 | 447 | ||
477 | /* | 448 | /* |
diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h index 78bf4ae712a6..d18ffe7bc7c4 100644 --- a/include/asm-powerpc/pgtable.h +++ b/include/asm-powerpc/pgtable.h | |||
@@ -2,6 +2,13 @@ | |||
2 | #define _ASM_POWERPC_PGTABLE_H | 2 | #define _ASM_POWERPC_PGTABLE_H |
3 | #ifdef __KERNEL__ | 3 | #ifdef __KERNEL__ |
4 | 4 | ||
5 | #ifndef __ASSEMBLY__ | ||
6 | #include <asm/processor.h> /* For TASK_SIZE */ | ||
7 | #include <asm/mmu.h> | ||
8 | #include <asm/page.h> | ||
9 | struct mm_struct; | ||
10 | #endif /* !__ASSEMBLY__ */ | ||
11 | |||
5 | #if defined(CONFIG_PPC64) | 12 | #if defined(CONFIG_PPC64) |
6 | # include <asm/pgtable-ppc64.h> | 13 | # include <asm/pgtable-ppc64.h> |
7 | #else | 14 | #else |
@@ -9,6 +16,27 @@ | |||
9 | #endif | 16 | #endif |
10 | 17 | ||
11 | #ifndef __ASSEMBLY__ | 18 | #ifndef __ASSEMBLY__ |
19 | /* | ||
20 | * ZERO_PAGE is a global shared page that is always zero: used | ||
21 | * for zero-mapped memory areas etc.. | ||
22 | */ | ||
23 | extern unsigned long empty_zero_page[]; | ||
24 | #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) | ||
25 | |||
26 | extern pgd_t swapper_pg_dir[]; | ||
27 | |||
28 | extern void paging_init(void); | ||
29 | |||
30 | /* | ||
31 | * kern_addr_valid is intended to indicate whether an address is a valid | ||
32 | * kernel address. Most 32-bit archs define it as always true (like this) | ||
33 | * but most 64-bit archs actually perform a test. What should we do here? | ||
34 | */ | ||
35 | #define kern_addr_valid(addr) (1) | ||
36 | |||
37 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | ||
38 | remap_pfn_range(vma, vaddr, pfn, size, prot) | ||
39 | |||
12 | #include <asm-generic/pgtable.h> | 40 | #include <asm-generic/pgtable.h> |
13 | #endif /* __ASSEMBLY__ */ | 41 | #endif /* __ASSEMBLY__ */ |
14 | 42 | ||