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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-11-16 00:16:01 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-11-26 20:45:46 +0000 |
| commit | 97092e0c56830457af0639f6bd904537a150ea4a (patch) | |
| tree | 5452905cff4e52465329a10de6ab8add2bd1de5a | |
| parent | 6e4beb5e682953212da48ebb9e5c90408b8d38ae (diff) | |
| download | op-kernel-dev-97092e0c56830457af0639f6bd904537a150ea4a.zip op-kernel-dev-97092e0c56830457af0639f6bd904537a150ea4a.tar.gz | |
ARM: pgtable: use phys_addr_t for physical addresses
Ensure that physical addresses are typed as phys_addr_t
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/include/asm/pgalloc.h | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 2 | ||||
| -rw-r--r-- | arch/arm/mm/mmu.c | 7 |
3 files changed, 10 insertions, 7 deletions
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index e9c3935..1f1064b 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -103,8 +103,10 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) __free_page(pte); } -static inline void __pmd_populate(pmd_t *pmdp, unsigned long pmdval) +static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, + unsigned long prot) { + unsigned long pmdval = pte | prot; pmdp[0] = __pmd(pmdval); pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t)); flush_pmd_entry(pmdp); @@ -126,13 +128,13 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) * address of the PTE table */ pte_ptr -= PTRS_PER_PTE * sizeof(void *); - __pmd_populate(pmdp, __pa(pte_ptr) | _PAGE_KERNEL_TABLE); + __pmd_populate(pmdp, __pa(pte_ptr), _PAGE_KERNEL_TABLE); } static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep) { - __pmd_populate(pmdp, page_to_pfn(ptep) << PAGE_SHIFT | _PAGE_USER_TABLE); + __pmd_populate(pmdp, page_to_phys(ptep), _PAGE_USER_TABLE); } #define pmd_pgtable(pmd) pmd_page(pmd) diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index d00ef7e..30b3a07 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -322,7 +322,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; static inline pte_t *pmd_page_vaddr(pmd_t pmd) { - unsigned long ptr; + phys_addr_t ptr; ptr = pmd_val(pmd) & ~(PTRS_PER_PTE * sizeof(void *) - 1); ptr += PTRS_PER_PTE * sizeof(void *); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 72ad3e1..9568f86 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -535,7 +535,7 @@ static pte_t * __init early_pte_alloc(pmd_t *pmd, unsigned long addr, unsigned l { if (pmd_none(*pmd)) { pte_t *pte = early_alloc(2 * PTRS_PER_PTE * sizeof(pte_t)); - __pmd_populate(pmd, __pa(pte) | prot); + __pmd_populate(pmd, __pa(pte), prot); } BUG_ON(pmd_bad(*pmd)); return pte_offset_kernel(pmd, addr); @@ -553,7 +553,7 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned long addr, } static void __init alloc_init_section(pgd_t *pgd, unsigned long addr, - unsigned long end, unsigned long phys, + unsigned long end, phys_addr_t phys, const struct mem_type *type) { pmd_t *pmd = pmd_offset(pgd, addr); @@ -588,7 +588,8 @@ static void __init alloc_init_section(pgd_t *pgd, unsigned long addr, static void __init create_36bit_mapping(struct map_desc *md, const struct mem_type *type) { - unsigned long phys, addr, length, end; + unsigned long addr, length, end; + phys_addr_t phys; pgd_t *pgd; addr = md->virtual; |
