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Diffstat (limited to 'arch/x86/include/asm/kexec.h')
-rw-r--r--arch/x86/include/asm/kexec.h43
1 files changed, 19 insertions, 24 deletions
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index c61d8b2ab8b..17483a492f1 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -10,27 +10,12 @@
#else
# define PA_CONTROL_PAGE 0
# define VA_CONTROL_PAGE 1
-# define PA_PGD 2
-# define VA_PGD 3
-# define PA_PUD_0 4
-# define VA_PUD_0 5
-# define PA_PMD_0 6
-# define VA_PMD_0 7
-# define PA_PTE_0 8
-# define VA_PTE_0 9
-# define PA_PUD_1 10
-# define VA_PUD_1 11
-# define PA_PMD_1 12
-# define VA_PMD_1 13
-# define PA_PTE_1 14
-# define VA_PTE_1 15
-# define PA_TABLE_PAGE 16
-# define PAGES_NR 17
+# define PA_TABLE_PAGE 2
+# define PA_SWAP_PAGE 3
+# define PAGES_NR 4
#endif
-#ifdef CONFIG_X86_32
# define KEXEC_CONTROL_CODE_MAX_SIZE 2048
-#endif
#ifndef __ASSEMBLY__
@@ -63,11 +48,11 @@
# define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64)
#else
/* Maximum physical address we can use pages from */
-# define KEXEC_SOURCE_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_SOURCE_MEMORY_LIMIT (MAXMEM-1)
/* Maximum address we can reach in physical address mode */
-# define KEXEC_DESTINATION_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_DESTINATION_MEMORY_LIMIT (MAXMEM-1)
/* Maximum address we can use for the control pages */
-# define KEXEC_CONTROL_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_CONTROL_MEMORY_LIMIT (MAXMEM-1)
/* Allocate one page for the pdp and the second for the code */
# define KEXEC_CONTROL_PAGE_SIZE (4096UL + 4096UL)
@@ -151,15 +136,16 @@ relocate_kernel(unsigned long indirection_page,
unsigned int has_pae,
unsigned int preserve_context);
#else
-NORET_TYPE void
+unsigned long
relocate_kernel(unsigned long indirection_page,
unsigned long page_list,
- unsigned long start_address) ATTRIB_NORET;
+ unsigned long start_address,
+ unsigned int preserve_context);
#endif
-#ifdef CONFIG_X86_32
#define ARCH_HAS_KIMAGE_ARCH
+#ifdef CONFIG_X86_32
struct kimage_arch {
pgd_t *pgd;
#ifdef CONFIG_X86_PAE
@@ -169,8 +155,17 @@ struct kimage_arch {
pte_t *pte0;
pte_t *pte1;
};
+#else
+struct kimage_arch {
+ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte;
+};
#endif
+typedef void crash_vmclear_fn(void);
+extern crash_vmclear_fn __rcu *crash_vmclear_loaded_vmcss;
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_KEXEC_H */