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 10extern struct pglist_data *node_data[]; 11#define NODE_DATA(nid) (node_data[nid]) 12 13static 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 24static 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 */ 30void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); 31#else 32static inline void 33setup_bootmem_node(int nid, unsigned long start, unsigned long end) 34{ 35} 36#endif /* CONFIG_NEED_MULTIPLE_NODES */ 37 38/* Platform specific mem init */ 39void __init plat_mem_setup(void); 40 41/* arch/sh/kernel/setup.c */ 42void __init __add_active_range(unsigned int nid, unsigned long start_pfn, 43 unsigned long end_pfn); 44/* arch/sh/mm/init.c */ 45void __init allocate_pgdat(unsigned int nid); 46 47#endif /* __KERNEL__ */ 48#endif /* __ASM_SH_MMZONE_H */ 49