7 * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
8 * I.e. Maximum page that is mapped directly into kernel memory,
9 * and kmap is not required.
11 * Someone correct me if FIXADDR_START - PAGEOFFSET is not the correct
12 * calculation for the amount of memory directly mappable into the
13 * kernel memory space.
16 /* Maximum physical address we can use pages from */
17 #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
18 /* Maximum address we can reach in physical address mode */
19 #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
20 /* Maximum address we can use for the control code buffer */
21 #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
23 #define KEXEC_CONTROL_CODE_SIZE 4096
25 /* The native architecture */
26 #define KEXEC_ARCH KEXEC_ARCH_PPC
30 extern void *crash_notes;
34 extern void machine_kexec_simple(struct kimage *image);
36 #endif /* __ASSEMBLY__ */
38 #endif /* CONFIG_KEXEC */
40 #endif /* _PPC_KEXEC_H */