1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_SH_MMZONE_H 3 #define __ASM_SH_MMZONE_H 4 5 #ifdef __KERNEL__ 6 7 #ifdef CONFIG_NEED_MULTIPLE_NODES 8 #include <linux/numa.h> 9 10 extern struct pglist_data *node_data[]; 11 #define NODE_DATA(nid) (node_data[nid]) 12 13 static inline int pfn_to_nid(unsigned long pfn) 14 { 15 int nid; 16 17 for (nid = 0; nid < MAX_NUMNODES; nid++) 18 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid)) 19 break; 20 21 return nid; 22 } 23 24 static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) 25 { 26 return NODE_DATA(pfn_to_nid(pfn)); 27 } 28 29 /* arch/sh/mm/numa.c */ 30 void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 31 #else 32 static inline void 33 setup_bootmem_node(int nid, unsigned long start, unsigned long end) 34 { 35 } 36 #endif /* CONFIG_NEED_MULTIPLE_NODES */ 37 38 /* Platform specific mem init */ 39 void __init plat_mem_setup(void); 40 41 /* arch/sh/kernel/setup.c */ 42 void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 43 unsigned long end_pfn); 44 /* arch/sh/mm/init.c */ 45 void __init allocate_pgdat(unsigned int nid); 46 47 #endif /* __KERNEL__ */ 48 #endif /* __ASM_SH_MMZONE_H */ 49