diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c
index f84e0337cc02..44ff9f684bef 100644
--- a/arch/powerpc/lib/code-patching.c
+++ b/arch/powerpc/lib/code-patching.c
@@ -60,9 +60,6 @@ struct patch_context {
 
 static DEFINE_PER_CPU(struct patch_context, cpu_patching_context);
 
-static int map_patch_area(void *addr, unsigned long text_poke_addr);
-static void unmap_patch_area(unsigned long addr);
-
 static bool mm_patch_enabled(void)
 {
 	return IS_ENABLED(CONFIG_SMP) && radix_enabled();
@@ -117,11 +114,11 @@ static int text_area_cpu_up(unsigned int cpu)
 
 	// Map/unmap the area to ensure all page tables are pre-allocated
 	addr = (unsigned long)area->addr;
-	err = map_patch_area(empty_zero_page, addr);
+	err = map_kernel_page(addr, __pa_symbol(empty_zero_page), PAGE_KERNEL_RO);
 	if (err)
 		return err;
 
-	unmap_patch_area(addr);
+	unmap_kernel_page(addr);
 
 	this_cpu_write(cpu_patching_context.area, area);
 	this_cpu_write(cpu_patching_context.addr, addr);
@@ -233,51 +230,6 @@ static unsigned long get_patch_pfn(void *addr)
 		return __pa_symbol(addr) >> PAGE_SHIFT;
 }
 
-/*
- * This can be called for kernel text or a module.
- */
-static int map_patch_area(void *addr, unsigned long text_poke_addr)
-{
-	unsigned long pfn = get_patch_pfn(addr);
-
-	return map_kernel_page(text_poke_addr, (pfn << PAGE_SHIFT), PAGE_KERNEL);
-}
-
-static void unmap_patch_area(unsigned long addr)
-{
-	pte_t *ptep;
-	pmd_t *pmdp;
-	pud_t *pudp;
-	p4d_t *p4dp;
-	pgd_t *pgdp;
-
-	pgdp = pgd_offset_k(addr);
-	if (WARN_ON(pgd_none(*pgdp)))
-		return;
-
-	p4dp = p4d_offset(pgdp, addr);
-	if (WARN_ON(p4d_none(*p4dp)))
-		return;
-
-	pudp = pud_offset(p4dp, addr);
-	if (WARN_ON(pud_none(*pudp)))
-		return;
-
-	pmdp = pmd_offset(pudp, addr);
-	if (WARN_ON(pmd_none(*pmdp)))
-		return;
-
-	ptep = pte_offset_kernel(pmdp, addr);
-	if (WARN_ON(pte_none(*ptep)))
-		return;
-
-	/*
-	 * In hash, pte_clear flushes the tlb, in radix, we have to
-	 */
-	pte_clear(&init_mm, addr, ptep);
-	flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
-}
-
 static int __do_patch_mem_mm(void *addr, unsigned long val, bool is_dword)
 {
 	int err;