diff --git a/arch/arm/arm/src/los_arch_mmu.c b/arch/arm/arm/src/los_arch_mmu.c
index 0e7647fe0c278c098b19b8b732acf03a2d3368bf..43703c5759e2a0b80b2b6f041706beb3712a1b29 100644
--- a/arch/arm/arm/src/los_arch_mmu.c
+++ b/arch/arm/arm/src/los_arch_mmu.c
@@ -177,7 +177,7 @@ STATIC VOID OsTryUnmapL1PTE(const LosArchMmu *archMmu, vaddr_t vaddr, UINT32 sca
     /*
      * Check if all pages related to this l1 entry are deallocated.
      * We only need to check pages that we did not clear above starting
-     * from page_idx and wrapped around SECTION.
+     * from scanIndex and wrapped around SECTION.
      */
     UINT32 l1Index;
     PTE_T l1Entry;
diff --git a/kernel/base/vm/los_vm_fault.c b/kernel/base/vm/los_vm_fault.c
index ee24650c53152a2524076673b684fb0a511738c0..47eab9d7ad3a92106d81ded80f6812a43163e328 100644
--- a/kernel/base/vm/los_vm_fault.c
+++ b/kernel/base/vm/los_vm_fault.c
@@ -193,7 +193,7 @@ status_t OsDoCowFault(LosVmMapRegion *region, LosVmPgFault *vmPgFault)
 
     newPage = LOS_PhysPageAlloc();
     if (newPage == NULL) {
-        VM_ERR("pmm_alloc_page fail");
+        VM_ERR("LOS_PhysPageAlloc failed");
         ret = LOS_ERRNO_VM_NO_MEMORY;
         goto ERR_OUT;
     }