diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/copypage-v4mc.c | 4 | ||||
| -rw-r--r-- | arch/arm/mm/copypage-v6.c | 4 | ||||
| -rw-r--r-- | arch/arm/mm/copypage-xscale.c | 4 | ||||
| -rw-r--r-- | arch/arm/mm/flush.c | 4 | ||||
| -rw-r--r-- | arch/arm/mm/init.c | 20 | ||||
| -rw-r--r-- | arch/arm/mm/mm-armv.c | 14 | ||||
| -rw-r--r-- | arch/arm/mm/mm.h | 19 |
7 files changed, 36 insertions, 33 deletions
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c index fc69dccdace..df1645e14b4 100644 --- a/arch/arm/mm/copypage-v4mc.c +++ b/arch/arm/mm/copypage-v4mc.c @@ -20,6 +20,8 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> +#include "mm.h" + /* * 0xffff8000 to 0xffffffff is reserved for any ARM architecture * specific hacks for copying pages efficiently. @@ -27,8 +29,6 @@ #define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \ L_PTE_CACHEABLE) -#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) - static DEFINE_SPINLOCK(minicache_lock); /* diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 269ce6913ee..3d0d3a963d2 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -17,6 +17,8 @@ #include <asm/tlbflush.h> #include <asm/cacheflush.h> +#include "mm.h" + #if SHMLBA > 16384 #error FIX ME #endif @@ -24,8 +26,6 @@ #define from_address (0xffff8000) #define to_address (0xffffc000) -#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) - static DEFINE_SPINLOCK(v6_lock); /* diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c index 42a6ee255ce..84ebe0aa379 100644 --- a/arch/arm/mm/copypage-xscale.c +++ b/arch/arm/mm/copypage-xscale.c @@ -20,6 +20,8 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> +#include "mm.h" + /* * 0xffff8000 to 0xffffffff is reserved for any ARM architecture * specific hacks for copying pages efficiently. @@ -29,8 +31,6 @@ #define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \ L_PTE_CACHEABLE) -#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) - static DEFINE_SPINLOCK(minicache_lock); /* diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index d438ce41cdd..1efb05c64db 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -15,12 +15,12 @@ #include <asm/system.h> #include <asm/tlbflush.h> +#include "mm.h" + #ifdef CONFIG_CPU_CACHE_VIPT #define ALIAS_FLUSH_START 0xffff4000 -#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) - static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) { unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index fe3f7f62500..1099af6d470 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -25,6 +25,8 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include "mm.h" + DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; @@ -44,6 +46,11 @@ static struct meminfo meminfo __initdata = { 0, }; */ struct page *empty_zero_page; +/* + * The pmd table for the upper-most set of pages. + */ +pmd_t *top_pmd; + void show_mem(void) { int free = 0, total = 0, reserved = 0; @@ -83,16 +90,6 @@ void show_mem(void) printk("%d pages swap cached\n", cached); } -static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt) -{ - return pmd_offset(pgd, virt); -} - -static inline pmd_t *pmd_off_k(unsigned long virt) -{ - return pmd_off(pgd_offset_k(virt), virt); -} - #define for_each_nodebank(iter,mi,no) \ for (iter = 0; iter < mi->nr_banks; iter++) \ if (mi->bank[iter].node == no) @@ -229,9 +226,6 @@ static __init void reserve_node_zero(pg_data_t *pgdat) reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size); } -void __init build_mem_type_table(void); -void __init create_mapping(struct map_desc *md); - static unsigned long __init bootmem_init_node(int node, int initrd_node, struct meminfo *mi) { diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index 38769f5862b..ee9647823fa 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -23,6 +23,8 @@ #include <asm/mach/map.h> +#include "mm.h" + #define CPOLICY_UNCACHED 0 #define CPOLICY_BUFFERED 1 #define CPOLICY_WRITETHROUGH 2 @@ -35,8 +37,6 @@ pgprot_t pgprot_kernel; EXPORT_SYMBOL(pgprot_kernel); -pmd_t *top_pmd; - struct cachepolicy { const char policy[16]; unsigned int cr_mask; @@ -142,16 +142,6 @@ __setup("noalign", noalign_setup); #define FIRST_KERNEL_PGD_NR (FIRST_USER_PGD_NR + USER_PTRS_PER_PGD) -static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt) -{ - return pmd_offset(pgd, virt); -} - -static inline pmd_t *pmd_off_k(unsigned long virt) -{ - return pmd_off(pgd_offset_k(virt), virt); -} - /* * need to get a 16k page for level 1 */ diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h new file mode 100644 index 00000000000..8d73ffbce8d --- /dev/null +++ b/arch/arm/mm/mm.h @@ -0,0 +1,19 @@ +/* the upper-most page table pointer */ +extern pmd_t *top_pmd; + +#define TOP_PTE(x) pte_offset_kernel(top_pmd, x) + +static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt) +{ + return pmd_offset(pgd, virt); +} + +static inline pmd_t *pmd_off_k(unsigned long virt) +{ + return pmd_off(pgd_offset_k(virt), virt); +} + +struct map_desc; + +void __init build_mem_type_table(void); +void __init create_mapping(struct map_desc *md); |