1 files changed, 3 insertions, 29 deletions

diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index 188b52bbb254..c3e4586a7975 100644
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -65,9 +65,6 @@ void __init paging_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
-#ifdef CONFIG_ZONE_DMA
-	max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
-#endif
 #ifdef CONFIG_ZONE_DMA32
 	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
 #endif
@@ -75,14 +72,6 @@ void __init paging_init(void)
 
 	free_area_init(max_zone_pfns);
 }
-
-void __init mem_init(void)
-{
-	max_mapnr = max_low_pfn;
-	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
-
-	memblock_free_all();
-}
 #endif /* !CONFIG_NUMA */
 
 void __ref free_initmem(void)
@@ -117,14 +106,6 @@ void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
 		page += vmem_altmap_offset(altmap);
 	__remove_pages(start_pfn, nr_pages, altmap);
 }
-
-#ifdef CONFIG_NUMA
-int memory_add_physaddr_to_nid(u64 start)
-{
-	return pa_to_nid(start);
-}
-EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
-#endif
 #endif
 
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
@@ -174,9 +155,7 @@ pte_t * __init populate_kernel_pte(unsigned long addr)
 	pmd_t *pmd;
 
 	if (p4d_none(p4dp_get(p4d))) {
-		pud = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
-		if (!pud)
-			panic("%s: Failed to allocate memory\n", __func__);
+		pud = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
 		p4d_populate(&init_mm, p4d, pud);
 #ifndef __PAGETABLE_PUD_FOLDED
 		pud_init(pud);
@@ -185,9 +164,7 @@ pte_t * __init populate_kernel_pte(unsigned long addr)
 
 	pud = pud_offset(p4d, addr);
 	if (pud_none(pudp_get(pud))) {
-		pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
-		if (!pmd)
-			panic("%s: Failed to allocate memory\n", __func__);
+		pmd = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
 		pud_populate(&init_mm, pud, pmd);
 #ifndef __PAGETABLE_PMD_FOLDED
 		pmd_init(pmd);
@@ -198,10 +175,7 @@ pte_t * __init populate_kernel_pte(unsigned long addr)
 	if (!pmd_present(pmdp_get(pmd))) {
 		pte_t *pte;
 
-		pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
-		if (!pte)
-			panic("%s: Failed to allocate memory\n", __func__);
-
+		pte = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
 		pmd_populate_kernel(&init_mm, pmd, pte);
 		kernel_pte_init(pte);
 	}