+#ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
+extern void *alloc_remap(int nid, unsigned long size);
+#else
+static inline void *alloc_remap(int nid, unsigned long size)
+{
+ return NULL;
+}
+#endif /* CONFIG_HAVE_ARCH_ALLOC_REMAP */
+
+extern unsigned long __meminitdata nr_kernel_pages;
+extern unsigned long nr_all_pages;
+
+extern void *alloc_large_system_hash(const char *tablename,
+ unsigned long bucketsize,
+ unsigned long numentries,
+ int scale,
+ int flags,
+ unsigned int *_hash_shift,
+ unsigned int *_hash_mask,
+ unsigned long limit);
+
+#define HASH_EARLY 0x00000001 /* Allocating during early boot? */
+
+/* Only NUMA needs hash distribution.
+ * IA64 is known to have sufficient vmalloc space.
+ */
+#if defined(CONFIG_NUMA) && defined(CONFIG_IA64)
+#define HASHDIST_DEFAULT 1
+#else
+#define HASHDIST_DEFAULT 0
+#endif
+extern int hashdist; /* Distribute hashes across NUMA nodes? */
+
+