diff --git a/arch/loongarch/include/asm/cacheflush.h b/arch/loongarch/include/asm/cacheflush.h
index 0681788eb474..7907eb42bfbd 100644
--- a/arch/loongarch/include/asm/cacheflush.h
+++ b/arch/loongarch/include/asm/cacheflush.h
@@ -47,8 +47,10 @@ void local_flush_icache_range(unsigned long start, unsigned long end);
 #define flush_cache_vmap(start, end)			do { } while (0)
 #define flush_cache_vunmap(start, end)			do { } while (0)
 #define flush_icache_page(vma, page)			do { } while (0)
+#define flush_icache_pages(vma, page)			do { } while (0)
 #define flush_icache_user_page(vma, page, addr, len)	do { } while (0)
 #define flush_dcache_page(page)				do { } while (0)
+#define flush_dcache_folio(folio)			do { } while (0)
 #define flush_dcache_mmap_lock(mapping)			do { } while (0)
 #define flush_dcache_mmap_unlock(mapping)		do { } while (0)
 
diff --git a/arch/loongarch/include/asm/pgtable-bits.h b/arch/loongarch/include/asm/pgtable-bits.h
index 8b98d22a145b..a1eb2e25446b 100644
--- a/arch/loongarch/include/asm/pgtable-bits.h
+++ b/arch/loongarch/include/asm/pgtable-bits.h
@@ -48,12 +48,12 @@
 #define _PAGE_NO_EXEC		(_ULCAST_(1) << _PAGE_NO_EXEC_SHIFT)
 #define _PAGE_RPLV		(_ULCAST_(1) << _PAGE_RPLV_SHIFT)
 #define _CACHE_MASK		(_ULCAST_(3) << _CACHE_SHIFT)
-#define _PFN_SHIFT		(PAGE_SHIFT - 12 + _PAGE_PFN_SHIFT)
+#define PFN_PTE_SHIFT		(PAGE_SHIFT - 12 + _PAGE_PFN_SHIFT)
 
 #define _PAGE_USER	(PLV_USER << _PAGE_PLV_SHIFT)
 #define _PAGE_KERN	(PLV_KERN << _PAGE_PLV_SHIFT)
 
-#define _PFN_MASK (~((_ULCAST_(1) << (_PFN_SHIFT)) - 1) & \
+#define _PFN_MASK (~((_ULCAST_(1) << (PFN_PTE_SHIFT)) - 1) & \
 		  ((_ULCAST_(1) << (_PAGE_PFN_END_SHIFT)) - 1))
 
 /*
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index d28fb9dbec59..13aad0003e9a 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -237,9 +237,9 @@ extern pmd_t mk_pmd(struct page *page, pgprot_t prot);
 extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd);
 
 #define pte_page(x)		pfn_to_page(pte_pfn(x))
-#define pte_pfn(x)		((unsigned long)(((x).pte & _PFN_MASK) >> _PFN_SHIFT))
-#define pfn_pte(pfn, prot)	__pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
-#define pfn_pmd(pfn, prot)	__pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
+#define pte_pfn(x)		((unsigned long)(((x).pte & _PFN_MASK) >> PFN_PTE_SHIFT))
+#define pfn_pte(pfn, prot)	__pte(((pfn) << PFN_PTE_SHIFT) | pgprot_val(prot))
+#define pfn_pmd(pfn, prot)	__pmd(((pfn) << PFN_PTE_SHIFT) | pgprot_val(prot))
 
 /*
  * Initialize a new pgd / pud / pmd table with invalid pointers.
@@ -334,12 +334,6 @@ static inline void set_pte(pte_t *ptep, pte_t pteval)
 	}
 }
 
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
-			      pte_t *ptep, pte_t pteval)
-{
-	set_pte(ptep, pteval);
-}
-
 static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
 	/* Preserve global status for the pair */
@@ -445,11 +439,19 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 extern void __update_tlb(struct vm_area_struct *vma,
 			unsigned long address, pte_t *ptep);
 
-static inline void update_mmu_cache(struct vm_area_struct *vma,
-			unsigned long address, pte_t *ptep)
+static inline void update_mmu_cache_range(struct vm_area_struct *vma,
+		unsigned long address, pte_t *ptep, unsigned int nr)
 {
-	__update_tlb(vma, address, ptep);
+	for (;;) {
+		__update_tlb(vma, address, ptep);
+		if (--nr == 0)
+			break;
+		address += PAGE_SIZE;
+		ptep++;
+	}
 }
+#define update_mmu_cache(vma, addr, ptep) \
+	update_mmu_cache_range(vma, addr, ptep, 1)
 
 #define __HAVE_ARCH_UPDATE_MMU_TLB
 #define update_mmu_tlb	update_mmu_cache
@@ -462,7 +464,7 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
 
 static inline unsigned long pmd_pfn(pmd_t pmd)
 {
-	return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT;
+	return (pmd_val(pmd) & _PFN_MASK) >> PFN_PTE_SHIFT;
 }
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
diff --git a/arch/loongarch/mm/pgtable.c b/arch/loongarch/mm/pgtable.c
index 36a6dc0148ae..1260cf30e3ee 100644
--- a/arch/loongarch/mm/pgtable.c
+++ b/arch/loongarch/mm/pgtable.c
@@ -107,7 +107,7 @@ pmd_t mk_pmd(struct page *page, pgprot_t prot)
 {
 	pmd_t pmd;
 
-	pmd_val(pmd) = (page_to_pfn(page) << _PFN_SHIFT) | pgprot_val(prot);
+	pmd_val(pmd) = (page_to_pfn(page) << PFN_PTE_SHIFT) | pgprot_val(prot);
 
 	return pmd;
 }
diff --git a/arch/loongarch/mm/tlb.c b/arch/loongarch/mm/tlb.c
index 8bad6b0cff59..73652930b268 100644
--- a/arch/loongarch/mm/tlb.c
+++ b/arch/loongarch/mm/tlb.c
@@ -246,7 +246,7 @@ static void output_pgtable_bits_defines(void)
 	pr_define("_PAGE_WRITE_SHIFT %d\n", _PAGE_WRITE_SHIFT);
 	pr_define("_PAGE_NO_READ_SHIFT %d\n", _PAGE_NO_READ_SHIFT);
 	pr_define("_PAGE_NO_EXEC_SHIFT %d\n", _PAGE_NO_EXEC_SHIFT);
-	pr_define("_PFN_SHIFT %d\n", _PFN_SHIFT);
+	pr_define("PFN_PTE_SHIFT %d\n", PFN_PTE_SHIFT);
 	pr_debug("\n");
 }
 
