* is calculated as:
* present_pages = spanned_pages - absent_pages(pages in holes);
*
+ * present_early_pages is present pages existing within the zone
+ * located on memory available since early boot, excluding hotplugged
+ * memory.
+ *
* managed_pages is present pages managed by the buddy system, which
* is calculated as (reserved_pages includes pages allocated by the
* bootmem allocator):
atomic_long_t managed_pages;
unsigned long spanned_pages;
unsigned long present_pages;
+#if defined(CONFIG_MEMORY_HOTPLUG)
+ unsigned long present_early_pages;
+#endif
#ifdef CONFIG_CMA
unsigned long cma_pages;
#endif
enum zone_type kcompactd_highest_zoneidx;
wait_queue_head_t kcompactd_wait;
struct task_struct *kcompactd;
+ bool proactive_compact_trigger;
#endif
/*
* This is a per-node reserve of pages that are not available
return NULL;
return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK];
}
-extern unsigned long __section_nr(struct mem_section *ms);
extern size_t mem_section_usage_size(void);
/*
#define SECTION_TAINT_ZONE_DEVICE (1UL<<4)
#define SECTION_MAP_LAST_BIT (1UL<<5)
#define SECTION_MAP_MASK (~(SECTION_MAP_LAST_BIT-1))
-#define SECTION_NID_SHIFT 3
+#define SECTION_NID_SHIFT 6
static inline struct page *__section_mem_map_addr(struct mem_section *section)
{
#define subsection_map_init(_pfn, _nr_pages) do {} while (0)
#endif /* CONFIG_SPARSEMEM */
-/*
- * If it is possible to have holes within a MAX_ORDER_NR_PAGES, then we
- * need to check pfn validity within that MAX_ORDER_NR_PAGES block.
- * pfn_valid_within() should be used in this case; we optimise this away
- * when we have no holes within a MAX_ORDER_NR_PAGES block.
- */
-#ifdef CONFIG_HOLES_IN_ZONE
-#define pfn_valid_within(pfn) pfn_valid(pfn)
-#else
-#define pfn_valid_within(pfn) (1)
-#endif
-
#endif /* !__GENERATING_BOUNDS.H */
#endif /* !__ASSEMBLY__ */
#endif /* _LINUX_MMZONE_H */