1 #ifndef _ASM_X86_INIT_H 2 #define _ASM_X86_INIT_H 3 4 struct x86_mapping_info { 5 void *(*alloc_pgt_page)(void *); /* allocate buf for page table */ 6 void *context; /* context for alloc_pgt_page */ 7 unsigned long page_flag; /* page flag for PMD or PUD entry */ 8 unsigned long offset; /* ident mapping offset */ 9 bool direct_gbpages; /* PUD level 1GB page support */ 10 }; 11 12 int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page, 13 unsigned long pstart, unsigned long pend); 14 15 #endif /* _ASM_X86_INIT_H */ 16