diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 48bf12ef6620..3879d7664dfc 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -431,6 +431,15 @@ struct zone { */ int nr_migrate_reserve_block; +#ifdef CONFIG_MEMORY_ISOLATION + /* + * Number of isolated pageblock. It is used to solve incorrect + * freepage counting problem due to racy retrieving migratetype + * of pageblock. Protected by zone->lock. + */ + unsigned long nr_isolate_pageblock; +#endif + #ifdef CONFIG_MEMORY_HOTPLUG /* see spanned/present_pages for more description */ seqlock_t span_seqlock; @@ -713,9 +722,6 @@ typedef struct pglist_data { int nr_zones; #ifdef CONFIG_FLAT_NODE_MEM_MAP /* means !SPARSEMEM */ struct page *node_mem_map; -#ifdef CONFIG_MEMCG - struct page_cgroup *node_page_cgroup; -#endif #endif #ifndef CONFIG_NO_BOOTMEM struct bootmem_data *bdata; @@ -1069,7 +1075,6 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn) #define SECTION_ALIGN_DOWN(pfn) ((pfn) & PAGE_SECTION_MASK) struct page; -struct page_cgroup; struct mem_section { /* * This is, logically, a pointer to an array of struct @@ -1087,14 +1092,6 @@ struct mem_section { /* See declaration of similar field in struct zone */ unsigned long *pageblock_flags; -#ifdef CONFIG_MEMCG - /* - * If !SPARSEMEM, pgdat doesn't have page_cgroup pointer. We use - * section. (see memcontrol.h/page_cgroup.h about this.) - */ - struct page_cgroup *page_cgroup; - unsigned long pad; -#endif /* * WARNING: mem_section must be a power-of-2 in size for the * calculation and use of SECTION_ROOT_MASK to make sense. |