diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-i386/kexec.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/asm-i386/kexec.h b/include/asm-i386/kexec.h new file mode 100644 index 00000000000..a1599b55d62 --- /dev/null +++ b/include/asm-i386/kexec.h @@ -0,0 +1,28 @@ +#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 + +#endif /* _I386_KEXEC_H */ |