mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 01:34:14 +08:00
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
|
#ifndef __ASM_SH_MMZONE_H
|
||
|
|
#define __ASM_SH_MMZONE_H
|
||
|
|
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
|
||
|
|
#ifdef CONFIG_NEED_MULTIPLE_NODES
|
||
|
|
extern struct pglist_data *node_data[];
|
||
|
|
#define NODE_DATA(nid) (node_data[nid])
|
||
|
|
|
||
|
|
#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
|
||
|
|
#define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \
|
||
|
|
NODE_DATA(nid)->node_spanned_pages)
|
||
|
|
|
||
|
|
static inline int pfn_to_nid(unsigned long pfn)
|
||
|
|
{
|
||
|
|
int nid;
|
||
|
|
|
||
|
|
for (nid = 0; nid < MAX_NUMNODES; nid++)
|
||
|
|
if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
|
||
|
|
break;
|
||
|
|
|
||
|
|
return nid;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
|
||
|
|
{
|
||
|
|
return NODE_DATA(pfn_to_nid(pfn));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* arch/sh/mm/numa.c */
|
||
|
|
void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
|
||
|
|
#else
|
||
|
|
static inline void
|
||
|
|
setup_bootmem_node(int nid, unsigned long start, unsigned long end)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_NEED_MULTIPLE_NODES */
|
||
|
|
|
||
|
|
/* Platform specific mem init */
|
||
|
|
void __init plat_mem_setup(void);
|
||
|
|
|
||
|
|
/* arch/sh/kernel/setup.c */
|
||
|
|
void __init setup_bootmem_allocator(unsigned long start_pfn);
|
||
|
|
|
||
|
|
#endif /* __KERNEL__ */
|
||
|
|
#endif /* __ASM_SH_MMZONE_H */
|