diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index e56f835274c..9f7c3ebcbba 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -273,11 +273,6 @@ struct zone_reclaim_stat { */ unsigned long recent_rotated[2]; unsigned long recent_scanned[2]; - - /* - * accumulated for batching - */ - unsigned long nr_saved_scan[NR_LRU_LISTS]; }; struct zone { @@ -652,6 +647,13 @@ typedef struct pglist_data { #endif #define nid_page_nr(nid, pagenr) pgdat_page_nr(NODE_DATA(nid),(pagenr)) +#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) + +#define node_end_pfn(nid) ({\ + pg_data_t *__pgdat = NODE_DATA(nid);\ + __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\ +}) + #include <linux/memory_hotplug.h> extern struct mutex zonelists_mutex; @@ -928,9 +930,6 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn) #define pfn_to_nid(pfn) (0) #endif -#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT) -#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT) - #ifdef CONFIG_SPARSEMEM /* @@ -956,6 +955,12 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn) #error Allocator MAX_ORDER exceeds SECTION_SIZE #endif +#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT) +#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT) + +#define SECTION_ALIGN_UP(pfn) (((pfn) + PAGES_PER_SECTION - 1) & PAGE_SECTION_MASK) +#define SECTION_ALIGN_DOWN(pfn) ((pfn) & PAGE_SECTION_MASK) + struct page; struct page_cgroup; struct mem_section { @@ -1053,12 +1058,14 @@ static inline struct mem_section *__pfn_to_section(unsigned long pfn) return __nr_to_section(pfn_to_section_nr(pfn)); } +#ifndef CONFIG_HAVE_ARCH_PFN_VALID static inline int pfn_valid(unsigned long pfn) { if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) return 0; return valid_section(__nr_to_section(pfn_to_section_nr(pfn))); } +#endif static inline int pfn_present(unsigned long pfn) { |