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33 lines
947 B
33 lines
947 B
#ifndef _I386_KEXEC_H
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#define _I386_KEXEC_H
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#include <asm/fixmap.h>
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/*
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* KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
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* I.e. Maximum page that is mapped directly into kernel memory,
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* and kmap is not required.
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*
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* Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
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* calculation for the amount of memory directly mappable into the
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* kernel memory space.
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*/
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/* Maximum physical address we can use pages from */
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#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
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/* Maximum address we can reach in physical address mode */
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#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
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/* Maximum address we can use for the control code buffer */
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#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
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#define KEXEC_CONTROL_CODE_SIZE 4096
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/* The native architecture */
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#define KEXEC_ARCH KEXEC_ARCH_386
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#define MAX_NOTE_BYTES 1024
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typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
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extern note_buf_t crash_notes[];
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#endif /* _I386_KEXEC_H */
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