diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/fixmap.h | 5 | ||||
| -rw-r--r-- | arch/arm/mm/highmem.c | 6 |
2 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h index bbae919bceb4..be55ebc08ed4 100644 --- a/arch/arm/include/asm/fixmap.h +++ b/arch/arm/include/asm/fixmap.h @@ -17,8 +17,7 @@ #define FIXADDR_TOP 0xfffe0000UL #define FIXADDR_SIZE (FIXADDR_TOP - FIXADDR_START) -#define FIX_KMAP_BEGIN 0 -#define FIX_KMAP_END (FIXADDR_SIZE >> PAGE_SHIFT) +#define FIX_KMAP_NR_PTES (FIXADDR_SIZE >> PAGE_SHIFT) #define __fix_to_virt(x) (FIXADDR_START + ((x) << PAGE_SHIFT)) #define __virt_to_fix(x) (((x) - FIXADDR_START) >> PAGE_SHIFT) @@ -27,7 +26,7 @@ extern void __this_fixmap_does_not_exist(void); static inline unsigned long fix_to_virt(const unsigned int idx) { - if (idx >= FIX_KMAP_END) + if (idx >= FIX_KMAP_NR_PTES) __this_fixmap_does_not_exist(); return __fix_to_virt(idx); } diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 21b9e1bf9b77..e05e8ad26ba5 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -63,7 +63,7 @@ void *kmap_atomic(struct page *page) type = kmap_atomic_idx_push(); idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); + vaddr = __fix_to_virt(idx); #ifdef CONFIG_DEBUG_HIGHMEM /* * With debugging enabled, kunmap_atomic forces that entry to 0. @@ -94,7 +94,7 @@ void __kunmap_atomic(void *kvaddr) if (cache_is_vivt()) __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE); #ifdef CONFIG_DEBUG_HIGHMEM - BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx)); + BUG_ON(vaddr != __fix_to_virt(idx)); set_top_pte(vaddr, __pte(0)); #else (void) idx; /* to kill a warning */ @@ -117,7 +117,7 @@ void *kmap_atomic_pfn(unsigned long pfn) type = kmap_atomic_idx_push(); idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); + vaddr = __fix_to_virt(idx); #ifdef CONFIG_DEBUG_HIGHMEM BUG_ON(!pte_none(get_top_pte(vaddr))); #endif |