diff options
Diffstat (limited to 'include/linux/numa.h')
| -rw-r--r-- | include/linux/numa.h | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/include/linux/numa.h b/include/linux/numa.h index 915033a75731..e6baaf6051bc 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -3,18 +3,15 @@ #define _LINUX_NUMA_H #include <linux/init.h> #include <linux/types.h> +#include <linux/nodemask.h> -#ifdef CONFIG_NODES_SHIFT -#define NODES_SHIFT CONFIG_NODES_SHIFT -#else -#define NODES_SHIFT 0 -#endif - -#define MAX_NUMNODES (1 << NODES_SHIFT) - -#define NUMA_NO_NODE (-1) #define NUMA_NO_MEMBLK (-1) +static inline bool numa_valid_node(int nid) +{ + return nid >= 0 && nid < MAX_NUMNODES; +} + /* optionally keep NUMA memory info available post init */ #ifdef CONFIG_NUMA_KEEP_MEMINFO #define __initdata_or_meminfo @@ -25,9 +22,17 @@ #ifdef CONFIG_NUMA #include <asm/sparsemem.h> +extern struct pglist_data *node_data[]; +#define NODE_DATA(nid) (node_data[nid]) + +void __init alloc_node_data(int nid); +void __init alloc_offline_node_data(int nid); + /* Generic implementation available */ int numa_nearest_node(int node, unsigned int state); +int nearest_node_nodemask(int node, nodemask_t *mask); + #ifndef memory_add_physaddr_to_nid int memory_add_physaddr_to_nid(u64 start); #endif @@ -36,12 +41,7 @@ int memory_add_physaddr_to_nid(u64 start); int phys_to_target_node(u64 start); #endif -#ifndef numa_fill_memblks -static inline int __init numa_fill_memblks(u64 start, u64 end) -{ - return NUMA_NO_MEMBLK; -} -#endif +int numa_fill_memblks(u64 start, u64 end); #else /* !CONFIG_NUMA */ static inline int numa_nearest_node(int node, unsigned int state) @@ -49,6 +49,11 @@ static inline int numa_nearest_node(int node, unsigned int state) return NUMA_NO_NODE; } +static inline int nearest_node_nodemask(int node, nodemask_t *mask) +{ + return NUMA_NO_NODE; +} + static inline int memory_add_physaddr_to_nid(u64 start) { return 0; @@ -57,6 +62,8 @@ static inline int phys_to_target_node(u64 start) { return 0; } + +static inline void alloc_offline_node_data(int nid) {} #endif #define numa_map_to_online_node(node) numa_nearest_node(node, N_ONLINE) |