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