Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/nios2/mm/cacheflush.c b/arch/nios2/mm/cacheflush.c
index 506f6e1..65de1bd 100644
--- a/arch/nios2/mm/cacheflush.c
+++ b/arch/nios2/mm/cacheflush.c
@@ -198,12 +198,15 @@
 EXPORT_SYMBOL(flush_dcache_page);
 
 void update_mmu_cache(struct vm_area_struct *vma,
-		      unsigned long address, pte_t *pte)
+		      unsigned long address, pte_t *ptep)
 {
-	unsigned long pfn = pte_pfn(*pte);
+	pte_t pte = *ptep;
+	unsigned long pfn = pte_pfn(pte);
 	struct page *page;
 	struct address_space *mapping;
 
+	reload_tlb_page(vma, address, pte);
+
 	if (!pfn_valid(pfn))
 		return;