diff --git a/src/system/kernel/arch/x86/paging/X86VMTranslationMap.h b/src/system/kernel/arch/x86/paging/X86VMTranslationMap.h
index a96a106bb3..fdb02411a4 100644
--- a/src/system/kernel/arch/x86/paging/X86VMTranslationMap.h
+++ b/src/system/kernel/arch/x86/paging/X86VMTranslationMap.h
@@ -31,6 +31,8 @@ struct X86VMTranslationMap : VMTranslationMap {
 
 	virtual	X86PagingStructures* PagingStructures() const = 0;
 
+	inline	void				InvalidatePage(addr_t address);
+
 protected:
 			TranslationMapPhysicalPageMapper* fPageMapper;
 			int					fInvalidPagesCount;
@@ -39,4 +41,14 @@ protected:
 };
 
 
+void
+X86VMTranslationMap::InvalidatePage(addr_t address)
+{
+	if (fInvalidPagesCount < PAGE_INVALIDATE_CACHE_SIZE)
+		fInvalidPages[fInvalidPagesCount] = address;
+
+	fInvalidPagesCount++;
+}
+
+
 #endif	// KERNEL_ARCH_X86_X86_VM_TRANSLATION_MAP_H