1 #ifndef __ASM_IDMAP_H 2 #define __ASM_IDMAP_H 3 4 #include <linux/compiler.h> 5 #include <asm/pgtable.h> 6 7 /* Tag a function as requiring to be executed via an identity mapping. */ 8 #define __idmap __section(.idmap.text) noinline notrace 9 10 extern pgd_t *idmap_pgd; 11 12 void identity_mapping_add(pgd_t *, unsigned long, unsigned long); 13 void identity_mapping_del(pgd_t *, unsigned long, unsigned long); 14 15 void setup_mm_for_reboot(void); 16 17 #endif /* __ASM_IDMAP_H */ 18