diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 68c569fcbb66..2daa54f55db7 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -188,7 +188,7 @@ static inline int is_unevictable_lru(enum lru_list lru) struct zone_reclaim_stat { /* * The pageout code in vmscan.c keeps track of how many of the - * mem/swap backed and file backed pages are refeferenced. + * mem/swap backed and file backed pages are referenced. * The higher the rotated/scanned ratio, the more valuable * that cache is. * @@ -201,7 +201,7 @@ struct zone_reclaim_stat { struct lruvec { struct list_head lists[NR_LRU_LISTS]; struct zone_reclaim_stat reclaim_stat; -#ifdef CONFIG_CGROUP_MEM_RES_CTLR +#ifdef CONFIG_MEMCG struct zone *zone; #endif }; @@ -209,7 +209,6 @@ struct lruvec { /* Mask used at gathering information at once (see memcontrol.c) */ #define LRU_ALL_FILE (BIT(LRU_INACTIVE_FILE) | BIT(LRU_ACTIVE_FILE)) #define LRU_ALL_ANON (BIT(LRU_INACTIVE_ANON) | BIT(LRU_ACTIVE_ANON)) -#define LRU_ALL_EVICTABLE (LRU_ALL_FILE | LRU_ALL_ANON) #define LRU_ALL ((1 << NR_LRU_LISTS) - 1) /* Isolate clean file */ @@ -369,6 +368,10 @@ struct zone { */ spinlock_t lock; int all_unreclaimable; /* All pages pinned */ +#if defined CONFIG_COMPACTION || defined CONFIG_CMA + /* pfn where the last incremental compaction isolated free pages */ + unsigned long compact_cached_free_pfn; +#endif #ifdef CONFIG_MEMORY_HOTPLUG /* see spanned/present_pages for more description */ seqlock_t span_seqlock; @@ -475,6 +478,14 @@ struct zone { * rarely used fields: */ const char *name; +#ifdef CONFIG_MEMORY_ISOLATION + /* + * the number of MIGRATE_ISOLATE *pageblock*. + * We need this for free page counting. Look at zone_watermark_ok_safe. + * It's protected by zone->lock + */ + int nr_pageblock_isolate; +#endif } ____cacheline_internodealigned_in_smp; typedef enum { @@ -671,7 +682,7 @@ typedef struct pglist_data { int nr_zones; #ifdef CONFIG_FLAT_NODE_MEM_MAP /* means !SPARSEMEM */ struct page *node_mem_map; -#ifdef CONFIG_CGROUP_MEM_RES_CTLR +#ifdef CONFIG_MEMCG struct page_cgroup *node_page_cgroup; #endif #endif @@ -694,6 +705,7 @@ typedef struct pglist_data { range, including holes */ int node_id; wait_queue_head_t kswapd_wait; + wait_queue_head_t pfmemalloc_wait; struct task_struct *kswapd; /* Protected by lock_memory_hotplug() */ int kswapd_max_order; enum zone_type classzone_idx; @@ -718,7 +730,7 @@ typedef struct pglist_data { #include <linux/memory_hotplug.h> extern struct mutex zonelists_mutex; -void build_all_zonelists(void *data); +void build_all_zonelists(pg_data_t *pgdat, struct zone *zone); void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx); bool zone_watermark_ok(struct zone *z, int order, unsigned long mark, int classzone_idx, int alloc_flags); @@ -736,7 +748,7 @@ extern void lruvec_init(struct lruvec *lruvec, struct zone *zone); static inline struct zone *lruvec_zone(struct lruvec *lruvec) { -#ifdef CONFIG_CGROUP_MEM_RES_CTLR +#ifdef CONFIG_MEMCG return lruvec->zone; #else return container_of(lruvec, struct zone, lruvec); @@ -773,7 +785,7 @@ extern int movable_zone; static inline int zone_movable_is_highmem(void) { -#if defined(CONFIG_HIGHMEM) && defined(CONFIG_HAVE_MEMBLOCK_NODE) +#if defined(CONFIG_HIGHMEM) && defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) return movable_zone == ZONE_HIGHMEM; #else return 0; @@ -1052,7 +1064,7 @@ struct mem_section { /* See declaration of similar field in struct zone */ unsigned long *pageblock_flags; -#ifdef CONFIG_CGROUP_MEM_RES_CTLR +#ifdef CONFIG_MEMCG /* * If !SPARSEMEM, pgdat doesn't have page_cgroup pointer. We use * section. (see memcontrol.h/page_cgroup.h about this.) |