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author | Tony Lindgren <tony@atomide.com> | 2020-06-16 09:25:03 -0700 |
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committer | Tony Lindgren <tony@atomide.com> | 2020-06-16 09:25:03 -0700 |
commit | 07c7b547a79605f1041d55b84d91a4a4d9c5b363 (patch) | |
tree | d98c1adacc8c65b475c325b427e54b8205b0013d /arch/x86/include/asm/mmzone_32.h | |
parent | e4a8fc054340f4df761f6a73335f8fdc0b7ac4fd (diff) | |
parent | b3a9e3b9622ae10064826dccb4f7a52bd88c7407 (diff) | |
download | linux-07c7b547a79605f1041d55b84d91a4a4d9c5b363.tar.gz |
Merge tag 'v5.8-rc1' into fixes
Linux 5.8-rc1
Diffstat (limited to 'arch/x86/include/asm/mmzone_32.h')
-rw-r--r-- | arch/x86/include/asm/mmzone_32.h | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 73d8dd14dda2..2d4515e8b7df 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -14,43 +14,4 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) #endif /* CONFIG_NUMA */ -#ifdef CONFIG_DISCONTIGMEM - -/* - * generic node memory support, the following assumptions apply: - * - * 1) memory comes in 64Mb contiguous chunks which are either present or not - * 2) we will not have more than 64Gb in total - * - * for now assume that 64Gb is max amount of RAM for whole system - * 64Gb / 4096bytes/page = 16777216 pages - */ -#define MAX_NR_PAGES 16777216 -#define MAX_SECTIONS 1024 -#define PAGES_PER_SECTION (MAX_NR_PAGES/MAX_SECTIONS) - -extern s8 physnode_map[]; - -static inline int pfn_to_nid(unsigned long pfn) -{ -#ifdef CONFIG_NUMA - return((int) physnode_map[(pfn) / PAGES_PER_SECTION]); -#else - return 0; -#endif -} - -static inline int pfn_valid(int pfn) -{ - int nid = pfn_to_nid(pfn); - - if (nid >= 0) - return (pfn < node_end_pfn(nid)); - return 0; -} - -#define early_pfn_valid(pfn) pfn_valid((pfn)) - -#endif /* CONFIG_DISCONTIGMEM */ - #endif /* _ASM_X86_MMZONE_32_H */ |