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-rw-r--r--include/linux/mmzone.h30
1 files changed, 20 insertions, 10 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 889598537370..6f7561730d88 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -38,6 +38,7 @@
38#define MIGRATE_UNMOVABLE 0 38#define MIGRATE_UNMOVABLE 0
39#define MIGRATE_RECLAIMABLE 1 39#define MIGRATE_RECLAIMABLE 1
40#define MIGRATE_MOVABLE 2 40#define MIGRATE_MOVABLE 2
41#define MIGRATE_PCPTYPES 3 /* the number of types on the pcp lists */
41#define MIGRATE_RESERVE 3 42#define MIGRATE_RESERVE 3
42#define MIGRATE_ISOLATE 4 /* can't allocate from here */ 43#define MIGRATE_ISOLATE 4 /* can't allocate from here */
43#define MIGRATE_TYPES 5 44#define MIGRATE_TYPES 5
@@ -94,11 +95,15 @@ enum zone_stat_item {
94 NR_SLAB_RECLAIMABLE, 95 NR_SLAB_RECLAIMABLE,
95 NR_SLAB_UNRECLAIMABLE, 96 NR_SLAB_UNRECLAIMABLE,
96 NR_PAGETABLE, /* used for pagetables */ 97 NR_PAGETABLE, /* used for pagetables */
98 NR_KERNEL_STACK,
99 /* Second 128 byte cacheline */
97 NR_UNSTABLE_NFS, /* NFS unstable pages */ 100 NR_UNSTABLE_NFS, /* NFS unstable pages */
98 NR_BOUNCE, 101 NR_BOUNCE,
99 NR_VMSCAN_WRITE, 102 NR_VMSCAN_WRITE,
100 /* Second 128 byte cacheline */
101 NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */ 103 NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */
104 NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */
105 NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */
106 NR_SHMEM, /* shmem pages (included tmpfs/GEM pages) */
102#ifdef CONFIG_NUMA 107#ifdef CONFIG_NUMA
103 NUMA_HIT, /* allocated in intended node */ 108 NUMA_HIT, /* allocated in intended node */
104 NUMA_MISS, /* allocated in non intended node */ 109 NUMA_MISS, /* allocated in non intended node */
@@ -165,7 +170,9 @@ struct per_cpu_pages {
165 int count; /* number of pages in the list */ 170 int count; /* number of pages in the list */
166 int high; /* high watermark, emptying needed */ 171 int high; /* high watermark, emptying needed */
167 int batch; /* chunk size for buddy add/remove */ 172 int batch; /* chunk size for buddy add/remove */
168 struct list_head list; /* the list of pages */ 173
174 /* Lists of pages, one per migrate type stored on the pcp-lists */
175 struct list_head lists[MIGRATE_PCPTYPES];
169}; 176};
170 177
171struct per_cpu_pageset { 178struct per_cpu_pageset {
@@ -269,6 +276,11 @@ struct zone_reclaim_stat {
269 */ 276 */
270 unsigned long recent_rotated[2]; 277 unsigned long recent_rotated[2];
271 unsigned long recent_scanned[2]; 278 unsigned long recent_scanned[2];
279
280 /*
281 * accumulated for batching
282 */
283 unsigned long nr_saved_scan[NR_LRU_LISTS];
272}; 284};
273 285
274struct zone { 286struct zone {
@@ -323,7 +335,6 @@ struct zone {
323 spinlock_t lru_lock; 335 spinlock_t lru_lock;
324 struct zone_lru { 336 struct zone_lru {
325 struct list_head list; 337 struct list_head list;
326 unsigned long nr_saved_scan; /* accumulated for batching */
327 } lru[NR_LRU_LISTS]; 338 } lru[NR_LRU_LISTS];
328 339
329 struct zone_reclaim_stat reclaim_stat; 340 struct zone_reclaim_stat reclaim_stat;
@@ -744,21 +755,20 @@ static inline int is_dma(struct zone *zone)
744 755
745/* These two functions are used to setup the per zone pages min values */ 756/* These two functions are used to setup the per zone pages min values */
746struct ctl_table; 757struct ctl_table;
747struct file; 758int min_free_kbytes_sysctl_handler(struct ctl_table *, int,
748int min_free_kbytes_sysctl_handler(struct ctl_table *, int, struct file *,
749 void __user *, size_t *, loff_t *); 759 void __user *, size_t *, loff_t *);
750extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1]; 760extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1];
751int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, struct file *, 761int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int,
752 void __user *, size_t *, loff_t *); 762 void __user *, size_t *, loff_t *);
753int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int, struct file *, 763int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int,
754 void __user *, size_t *, loff_t *); 764 void __user *, size_t *, loff_t *);
755int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int, 765int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int,
756 struct file *, void __user *, size_t *, loff_t *); 766 void __user *, size_t *, loff_t *);
757int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int, 767int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int,
758 struct file *, void __user *, size_t *, loff_t *); 768 void __user *, size_t *, loff_t *);
759 769
760extern int numa_zonelist_order_handler(struct ctl_table *, int, 770extern int numa_zonelist_order_handler(struct ctl_table *, int,
761 struct file *, void __user *, size_t *, loff_t *); 771 void __user *, size_t *, loff_t *);
762extern char numa_zonelist_order[]; 772extern char numa_zonelist_order[];
763#define NUMA_ZONELIST_ORDER_LEN 16 /* string buffer size */ 773#define NUMA_ZONELIST_ORDER_LEN 16 /* string buffer size */
764 774