};
struct list_head list; /* slobs list of pages */
- struct { /* slab fields */
- struct kmem_cache *slab_cache;
- struct slab *slab_page;
- };
+ struct slab *slab_page; /* slab fields */
};
/* Remainder is not double word aligned */
#if USE_SPLIT_PTLOCKS
spinlock_t ptl;
#endif
- struct kmem_cache *slab; /* SLUB: Pointer to slab */
+ struct kmem_cache *slab_cache; /* SL[AU]B: Pointer to slab */
struct page *first_page; /* Compound tail pages */
};
*/
void *shadow;
#endif
+
+#ifdef CONFIG_NUMA_BALANCING
+ int _last_nid;
+#endif
}
/*
* The struct page can be forced to be double word aligned so that atomic ops
#endif
#ifdef CONFIG_CPUMASK_OFFSTACK
struct cpumask cpumask_allocation;
+#endif
+#ifdef CONFIG_NUMA_BALANCING
+ /*
+ * numa_next_scan is the next time when the PTEs will me marked
+ * pte_numa to gather statistics and migrate pages to new nodes
+ * if necessary
+ */
+ unsigned long numa_next_scan;
+
+ /* numa_next_reset is when the PTE scanner period will be reset */
+ unsigned long numa_next_reset;
+
+ /* Restart point for scanning and setting pte_numa */
+ unsigned long numa_scan_offset;
+
+ /* numa_scan_seq prevents two threads setting pte_numa */
+ int numa_scan_seq;
+
+ /*
+ * The first node a task was scheduled on. If a task runs on
+ * a different node than Make PTE Scan Go Now.
+ */
+ int first_nid;
#endif
struct uprobes_state uprobes_state;
};
+/* first nid will either be a valid NID or one of these values */
+#define NUMA_PTE_SCAN_INIT -1
+#define NUMA_PTE_SCAN_ACTIVE -2
+
static inline void mm_init_cpumask(struct mm_struct *mm)
{
#ifdef CONFIG_CPUMASK_OFFSTACK