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-rw-r--r--arch/nds32/mm/init.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index d1e521cce317..1d03633f89a9 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -79,6 +79,9 @@ static void __init map_ram(void)
/* Alloc one page for holding PTE's... */
pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!pte)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
set_pmd(pme, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE));
/* Fill the newly allocated page with PTE'S */
@@ -111,6 +114,9 @@ static void __init fixedrange_init(void)
pud = pud_offset(pgd, vaddr);
pmd = pmd_offset(pud, vaddr);
fixmap_pmd_p = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!fixmap_pmd_p)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
set_pmd(pmd, __pmd(__pa(fixmap_pmd_p) + _PAGE_KERNEL_TABLE));
#ifdef CONFIG_HIGHMEM
@@ -123,6 +129,9 @@ static void __init fixedrange_init(void)
pud = pud_offset(pgd, vaddr);
pmd = pmd_offset(pud, vaddr);
pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!pte)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
set_pmd(pmd, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE));
pkmap_page_table = pte;
#endif /* CONFIG_HIGHMEM */
@@ -148,6 +157,9 @@ void __init paging_init(void)
/* allocate space for empty_zero_page */
zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!zero_page)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE);
zone_sizes_init();
empty_zero_page = virt_to_page(zero_page);