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Linux/arch/ia64/include/asm/kexec.h

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  1 #ifndef _ASM_IA64_KEXEC_H
  2 #define _ASM_IA64_KEXEC_H
  3 
  4 #include <asm/setup.h>
  5 
  6 /* Maximum physical address we can use pages from */
  7 #define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
  8 /* Maximum address we can reach in physical address mode */
  9 #define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
 10 /* Maximum address we can use for the control code buffer */
 11 #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
 12 
 13 #define KEXEC_CONTROL_PAGE_SIZE (8192 + 8192 + 4096)
 14 
 15 /* The native architecture */
 16 #define KEXEC_ARCH KEXEC_ARCH_IA_64
 17 
 18 #define kexec_flush_icache_page(page) do { \
 19                 unsigned long page_addr = (unsigned long)page_address(page); \
 20                 flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
 21         } while(0)
 22 
 23 extern struct kimage *ia64_kimage;
 24 extern const unsigned int relocate_new_kernel_size;
 25 extern void relocate_new_kernel(unsigned long, unsigned long,
 26                 struct ia64_boot_param *, unsigned long);
 27 static inline void
 28 crash_setup_regs(struct pt_regs *newregs, struct pt_regs *oldregs)
 29 {
 30 }
 31 extern struct resource efi_memmap_res;
 32 extern struct resource boot_param_res;
 33 extern void kdump_smp_send_stop(void);
 34 extern void kdump_smp_send_init(void);
 35 extern void kexec_disable_iosapic(void);
 36 extern void crash_save_this_cpu(void);
 37 struct rsvd_region;
 38 extern unsigned long kdump_find_rsvd_region(unsigned long size,
 39                 struct rsvd_region *rsvd_regions, int n);
 40 extern void kdump_cpu_freeze(struct unw_frame_info *info, void *arg);
 41 extern int kdump_status[];
 42 extern atomic_t kdump_cpu_freezed;
 43 extern atomic_t kdump_in_progress;
 44 
 45 #endif /* _ASM_IA64_KEXEC_H */
 46 

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