diff options
Diffstat (limited to 'arch/x86/include/asm/init.h')
-rw-r--r-- | arch/x86/include/asm/init.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/include/asm/init.h b/arch/x86/include/asm/init.h new file mode 100644 index 0000000000..5f1d3c421f --- /dev/null +++ b/arch/x86/include/asm/init.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_INIT_H +#define _ASM_X86_INIT_H + +struct x86_mapping_info { + void *(*alloc_pgt_page)(void *); /* allocate buf for page table */ + void *context; /* context for alloc_pgt_page */ + unsigned long page_flag; /* page flag for PMD or PUD entry */ + unsigned long offset; /* ident mapping offset */ + bool direct_gbpages; /* PUD level 1GB page support */ + unsigned long kernpg_flag; /* kernel pagetable flag override */ +}; + +int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page, + unsigned long pstart, unsigned long pend); + +#endif /* _ASM_X86_INIT_H */ |