diff options
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/memory_model.h')
-rw-r--r-- | ANDROID_3.4.5/include/asm-generic/memory_model.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/memory_model.h b/ANDROID_3.4.5/include/asm-generic/memory_model.h deleted file mode 100644 index aea9e45e..00000000 --- a/ANDROID_3.4.5/include/asm-generic/memory_model.h +++ /dev/null @@ -1,77 +0,0 @@ -#ifndef __ASM_MEMORY_MODEL_H -#define __ASM_MEMORY_MODEL_H - -#ifndef __ASSEMBLY__ - -#if defined(CONFIG_FLATMEM) - -#ifndef ARCH_PFN_OFFSET -#define ARCH_PFN_OFFSET (0UL) -#endif - -#elif defined(CONFIG_DISCONTIGMEM) - -#ifndef arch_pfn_to_nid -#define arch_pfn_to_nid(pfn) pfn_to_nid(pfn) -#endif - -#ifndef arch_local_page_offset -#define arch_local_page_offset(pfn, nid) \ - ((pfn) - NODE_DATA(nid)->node_start_pfn) -#endif - -#endif /* CONFIG_DISCONTIGMEM */ - -/* - * supports 3 memory models. - */ -#if defined(CONFIG_FLATMEM) - -#define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) -#define __page_to_pfn(page) ((unsigned long)((page) - mem_map) + \ - ARCH_PFN_OFFSET) -#elif defined(CONFIG_DISCONTIGMEM) - -#define __pfn_to_page(pfn) \ -({ unsigned long __pfn = (pfn); \ - unsigned long __nid = arch_pfn_to_nid(__pfn); \ - NODE_DATA(__nid)->node_mem_map + arch_local_page_offset(__pfn, __nid);\ -}) - -#define __page_to_pfn(pg) \ -({ const struct page *__pg = (pg); \ - struct pglist_data *__pgdat = NODE_DATA(page_to_nid(__pg)); \ - (unsigned long)(__pg - __pgdat->node_mem_map) + \ - __pgdat->node_start_pfn; \ -}) - -#elif defined(CONFIG_SPARSEMEM_VMEMMAP) - -/* memmap is virtually contiguous. */ -#define __pfn_to_page(pfn) (vmemmap + (pfn)) -#define __page_to_pfn(page) (unsigned long)((page) - vmemmap) - -#elif defined(CONFIG_SPARSEMEM) -/* - * Note: section's mem_map is encorded to reflect its start_pfn. - * section[i].section_mem_map == mem_map's address - start_pfn; - */ -#define __page_to_pfn(pg) \ -({ const struct page *__pg = (pg); \ - int __sec = page_to_section(__pg); \ - (unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec))); \ -}) - -#define __pfn_to_page(pfn) \ -({ unsigned long __pfn = (pfn); \ - struct mem_section *__sec = __pfn_to_section(__pfn); \ - __section_mem_map_addr(__sec) + __pfn; \ -}) -#endif /* CONFIG_FLATMEM/DISCONTIGMEM/SPARSEMEM */ - -#define page_to_pfn __page_to_pfn -#define pfn_to_page __pfn_to_page - -#endif /* __ASSEMBLY__ */ - -#endif |