0596152388
we don't need to call memory_present that early. numa and sparse will call memory_present later and might even fail, it will call memory_present for the full range. also for sparse it will call alloc_bootmem ... before we set up bootmem. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
32 lines
955 B
C
32 lines
955 B
C
/*
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* structures and definitions for the int 15, ax=e820 memory map
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* scheme.
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*
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* In a nutshell, arch/i386/boot/setup.S populates a scratch table
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* in the empty_zero_block that contains a list of usable address/size
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* duples. In arch/i386/kernel/setup.c, this information is
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* transferred into the e820map, and in arch/i386/mm/init.c, that
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* new information is used to mark pages reserved or not.
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*
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*/
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#ifndef __E820_HEADER
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#define __E820_HEADER
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#include <linux/ioport.h>
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#define HIGH_MEMORY (1024*1024)
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#ifndef __ASSEMBLY__
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extern void setup_memory_map(void);
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extern void finish_e820_parsing(void);
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extern void find_max_pfn(void);
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extern void register_bootmem_low_pages(unsigned long max_low_pfn);
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extern void limit_regions(unsigned long long size);
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extern void init_iomem_resources(struct resource *code_resource,
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struct resource *data_resource,
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struct resource *bss_resource);
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#endif/*!__ASSEMBLY__*/
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#endif/*__E820_HEADER*/
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