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-rw-r--r--arch/x86/mm/mm_internal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/mm/mm_internal.h b/arch/x86/mm/mm_internal.h
index 4e1f6e1b8159..319bde386d5f 100644
--- a/arch/x86/mm/mm_internal.h
+++ b/arch/x86/mm/mm_internal.h
@@ -19,4 +19,6 @@ extern int after_bootmem;
void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache);
+extern unsigned long tlb_single_page_flush_ceiling;
+
#endif /* __X86_MM_INTERNAL_H */