Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[~andy/linux] / include / linux / memblock.h

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 77c60e52939da9f74611e8d3443b04220396ca26..cd0274bebd4c8a7dc1f2412a58f0489c2d713865 100644 (file)
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -19,9 +19,13 @@
 
 #define INIT_MEMBLOCK_REGIONS  128
 
+/* Definition of memblock flags. */
+#define MEMBLOCK_HOTPLUG       0x1     /* hotpluggable region */
+
 struct memblock_region {
        phys_addr_t base;
        phys_addr_t size;
+       unsigned long flags;
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
        int nid;
 #endif
@@ -43,12 +47,17 @@ struct memblock {
 
 extern struct memblock memblock;
 extern int memblock_debug;
+#ifdef CONFIG_MOVABLE_NODE
+/* If movable_node boot option specified */
+extern bool movable_node_enabled;
+#endif /* CONFIG_MOVABLE_NODE */
 
 #define memblock_dbg(fmt, ...) \
        if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
 
-phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end,
-                               phys_addr_t size, phys_addr_t align, int nid);
+phys_addr_t memblock_find_in_range_node(phys_addr_t size, phys_addr_t align,
+                                           phys_addr_t start, phys_addr_t end,
+                                           int nid);
 phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
                                   phys_addr_t size, phys_addr_t align);
 phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
@@ -59,6 +68,28 @@ int memblock_remove(phys_addr_t base, phys_addr_t size);
 int memblock_free(phys_addr_t base, phys_addr_t size);
 int memblock_reserve(phys_addr_t base, phys_addr_t size);
 void memblock_trim_memory(phys_addr_t align);
+int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size);
+int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size);
+#ifdef CONFIG_MOVABLE_NODE
+static inline bool memblock_is_hotpluggable(struct memblock_region *m)
+{
+       return m->flags & MEMBLOCK_HOTPLUG;
+}
+
+static inline bool movable_node_is_enabled(void)
+{
+       return movable_node_enabled;
+}
+#else
+static inline bool memblock_is_hotpluggable(struct memblock_region *m)
+{
+       return false;
+}
+static inline bool movable_node_is_enabled(void)
+{
+       return false;
+}
+#endif
 
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
 int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
@@ -87,7 +118,7 @@ void __next_free_mem_range(u64 *idx, int nid, phys_addr_t *out_start,
 /**
  * for_each_free_mem_range - iterate through free memblock areas
  * @i: u64 used as loop variable
- * @nid: node selector, %MAX_NUMNODES for all nodes
+ * @nid: node selector, %NUMA_NO_NODE for all nodes
  * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
  * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
  * @p_nid: ptr to int for nid of the range, can be %NULL
@@ -107,7 +138,7 @@ void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start,
 /**
  * for_each_free_mem_range_reverse - rev-iterate through free memblock areas
  * @i: u64 used as loop variable
- * @nid: node selector, %MAX_NUMNODES for all nodes
+ * @nid: node selector, %NUMA_NO_NODE for all nodes
  * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
  * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
  * @p_nid: ptr to int for nid of the range, can be %NULL
@@ -121,8 +152,21 @@ void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start,
             i != (u64)ULLONG_MAX;                                      \
             __next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid))
 
+static inline void memblock_set_region_flags(struct memblock_region *r,
+                                            unsigned long flags)
+{
+       r->flags |= flags;
+}
+
+static inline void memblock_clear_region_flags(struct memblock_region *r,
+                                              unsigned long flags)
+{
+       r->flags &= ~flags;
+}
+
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-int memblock_set_node(phys_addr_t base, phys_addr_t size, int nid);
+int memblock_set_node(phys_addr_t base, phys_addr_t size,
+                     struct memblock_type *type, int nid);
 
 static inline void memblock_set_region_node(struct memblock_region *r, int nid)
 {