x86/mm/64: implement arch_sync_kernel_mappings()

[platform/kernel/linux-starfive.git] / arch / x86 / include / asm / pgtable_64_types.h

diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 52e5f5f..8f63efb 100644 (file)
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -159,4 +159,6 @@ extern unsigned int ptrs_per_p4d;
 
 #define PGD_KERNEL_START       ((PAGE_SIZE / 2) / sizeof(pgd_t))
 
+#define ARCH_PAGE_TABLE_SYNC_MASK      (pgtable_l5_enabled() ? PGTBL_PGD_MODIFIED : PGTBL_P4D_MODIFIED)
+
 #endif /* _ASM_X86_PGTABLE_64_DEFS_H */