1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_SH_MMZONE_H 3 #define __ASM_SH_MMZONE_H 4 5 #ifdef CONFIG_NUMA 6 #include <linux/numa.h> 7 8 extern struct pglist_data *node_data[]; 9 #define NODE_DATA(nid) (node_data[nid]) 10 11 static inline int pfn_to_nid(unsigned long pfn) 12 { 13 int nid; 14 15 for (nid = 0; nid < MAX_NUMNODES; nid++) 16 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) 17 break; 18 19 return nid; 20 } 21 22 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) 23 { 24 return NODE_DATA(pfn_to_nid(pfn)); 25 } 26 27 /* arch/sh/mm/numa.c */ 28 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 29 #else 30 static inline void 31 setup_bootmem_node(int nid, unsigned long start, unsigned long end) 32 { 33 } 34 #endif /* CONFIG_NUMA */ 35 36 /* Platform specific mem init */ 37 void __init plat_mem_setup(void); 38 39 /* arch/sh/kernel/setup.c */ 40 void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 41 unsigned long end_pfn); 42 /* arch/sh/mm/init.c */ 43 void __init allocate_pgdat(unsigned int nid); 44 45 #endif /* __ASM_SH_MMZONE_H */ 46