enum zone_stat_item {
/* First 128 byte cacheline (assuming 64 bit words) */
NR_FREE_PAGES,
- NR_ALLOC_BATCH,
NR_ZONE_LRU_BASE, /* Used only for compaction and reclaim retry */
- NR_ZONE_LRU_ANON = NR_ZONE_LRU_BASE,
- NR_ZONE_LRU_FILE,
+ NR_ZONE_INACTIVE_ANON = NR_ZONE_LRU_BASE,
+ NR_ZONE_ACTIVE_ANON,
+ NR_ZONE_INACTIVE_FILE,
+ NR_ZONE_ACTIVE_FILE,
+ NR_ZONE_UNEVICTABLE,
NR_ZONE_WRITE_PENDING, /* Count of dirty, writeback and unstable pages */
NR_MLOCK, /* mlock()ed pages found and moved off LRU */
NR_SLAB_RECLAIMABLE,
NR_SLAB_UNRECLAIMABLE,
NR_PAGETABLE, /* used for pagetables */
- NR_KERNEL_STACK,
+ NR_KERNEL_STACK_KB, /* measured in KiB */
/* Second 128 byte cacheline */
NR_BOUNCE,
- NR_VMSCAN_WRITE,
- NR_VMSCAN_IMMEDIATE, /* Prioritise for reclaim when writeback ends */
- NR_DIRTIED, /* page dirtyings since bootup */
- NR_WRITTEN, /* page writings since bootup */
#if IS_ENABLED(CONFIG_ZSMALLOC)
NR_ZSPAGES, /* allocated in zsmalloc */
#endif
NR_SHMEM_PMDMAPPED,
NR_ANON_THPS,
NR_UNSTABLE_NFS, /* NFS unstable pages */
+ NR_VMSCAN_WRITE,
+ NR_VMSCAN_IMMEDIATE, /* Prioritise for reclaim when writeback ends */
+ NR_DIRTIED, /* page dirtyings since bootup */
+ NR_WRITTEN, /* page writings since bootup */
NR_VM_NODE_STAT_ITEMS
};
unsigned long *pageblock_flags;
#endif /* CONFIG_SPARSEMEM */
-#ifdef CONFIG_NUMA
- /*
- * zone reclaim becomes active if more unmapped pages exist.
- */
- unsigned long min_unmapped_pages;
- unsigned long min_slab_pages;
-#endif /* CONFIG_NUMA */
-
/* zone_start_pfn == zone_start_paddr >> PAGE_SHIFT */
unsigned long zone_start_pfn;
atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
} ____cacheline_internodealigned_in_smp;
-enum zone_flags {
- ZONE_RECLAIM_LOCKED, /* prevents concurrent reclaim */
- ZONE_FAIR_DEPLETED, /* fair zone policy batch depleted */
-};
-
enum pgdat_flags {
PGDAT_CONGESTED, /* pgdat has many dirty pages backed by
* a congested BDI
PGDAT_WRITEBACK, /* reclaim scanning has recently found
* many pages under writeback
*/
+ PGDAT_RECLAIM_LOCKED, /* prevents concurrent reclaim */
};
static inline unsigned long zone_end_pfn(const struct zone *zone)
*/
unsigned long totalreserve_pages;
+#ifdef CONFIG_NUMA
+ /*
+ * zone reclaim becomes active if more unmapped pages exist.
+ */
+ unsigned long min_unmapped_pages;
+ unsigned long min_slab_pages;
+#endif /* CONFIG_NUMA */
+
/* Write-intensive fields used by page reclaim */
ZONE_PADDING(_pad1_)
spinlock_t lru_lock;