The pg_data_map and pg_data_table arrays as well as page_to_pfn() and pfn_to_page() are required only for DISCONTIGMEM. Other memory models can use the generic definitions in asm-generic/memory_model.h.
Signed-off-by: Mike Rapoport <[email protected]> --- arch/m68k/include/asm/page.h | 2 ++ arch/m68k/include/asm/page_mm.h | 4 ++++ arch/m68k/include/asm/virtconvert.h | 2 +- arch/m68k/mm/init.c | 6 +++--- 4 files changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h index 700d8195880c..9aa9ff51465e 100644 --- a/arch/m68k/include/asm/page.h +++ b/arch/m68k/include/asm/page.h @@ -49,8 +49,10 @@ extern unsigned long _ramend; #include <asm/page_no.h> #endif +#ifdef CONFIG_DISCONTIGMEM #define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) #define __pfn_to_phys(pfn) PFN_PHYS(pfn) +#endif #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index 0e794051d3bb..2fa176b1e583 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -153,6 +153,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void) pfn_to_virt(page_to_pfn(page)); \ }) +#ifdef CONFIG_DISCONTIGMEM #define pfn_to_page(pfn) ({ \ unsigned long __pfn = (pfn); \ struct pglist_data *pgdat; \ @@ -165,6 +166,9 @@ static inline __attribute_const__ int __virt_to_node_shift(void) pgdat = &pg_data_map[page_to_nid(__p)]; \ ((__p) - pgdat->node_mem_map) + pgdat->node_start_pfn; \ }) +#else +#include <asm-generic/memory_model.h> +#endif #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h index dfe43083b579..751bb6f4aaf6 100644 --- a/arch/m68k/include/asm/virtconvert.h +++ b/arch/m68k/include/asm/virtconvert.h @@ -31,7 +31,7 @@ static inline void *phys_to_virt(unsigned long address) /* Permanent address of a page. */ #if defined(CONFIG_MMU) && defined(CONFIG_SINGLE_MEMORY_CHUNK) #define page_to_phys(page) \ - __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT)) + __pa(PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT)) #else #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) #endif diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 20f0da3be77e..27e157bd81a3 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -47,12 +47,12 @@ extern pmd_t *zero_pgtable; #ifdef CONFIG_MMU -pg_data_t pg_data_map[MAX_NUMNODES]; -EXPORT_SYMBOL(pg_data_map); - int m68k_virt_to_node_shift; #ifdef CONFIG_DISCONTIGMEM +pg_data_t pg_data_map[MAX_NUMNODES]; +EXPORT_SYMBOL(pg_data_map); + pg_data_t *pg_data_table[65]; EXPORT_SYMBOL(pg_data_table); #endif -- 2.7.4
