diff options
Diffstat (limited to 'arch/m68k/mm')
-rw-r--r-- | arch/m68k/mm/init.c | 3 | ||||
-rw-r--r-- | arch/m68k/mm/mcfmmu.c | 6 | ||||
-rw-r--r-- | arch/m68k/mm/motorola.c | 9 | ||||
-rw-r--r-- | arch/m68k/mm/sun3mmu.c | 6 |
4 files changed, 24 insertions, 0 deletions
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 933c33e76a48..8868a4c9adae 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -94,6 +94,9 @@ void __init paging_init(void) high_memory = (void *) end_mem; empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers (user data space). diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index 492f953db31b..6cb1e41d58d0 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -44,6 +44,9 @@ void __init paging_init(void) int i; empty_zero_page = (void *) memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); pg_dir = swapper_pg_dir; memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir)); @@ -51,6 +54,9 @@ void __init paging_init(void) size = num_pages * sizeof(pte_t); size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); next_pgtable = (unsigned long) memblock_alloc(size, PAGE_SIZE); + if (!next_pgtable) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; pg_dir += PAGE_OFFSET >> PGDIR_SHIFT; diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 3f3d0bf36091..356601bf96d9 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -55,6 +55,9 @@ static pte_t * __init kernel_page_table(void) pte_t *ptablep; ptablep = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!ptablep) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); clear_page(ptablep); __flush_page_to_ram(ptablep); @@ -96,6 +99,9 @@ static pmd_t * __init kernel_ptr_table(void) if (((unsigned long)last_pgtable & ~PAGE_MASK) == 0) { last_pgtable = (pmd_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!last_pgtable) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); clear_page(last_pgtable); __flush_page_to_ram(last_pgtable); @@ -278,6 +284,9 @@ void __init paging_init(void) * to a couple of allocated pages */ empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index f736db48a2e1..eca1c46bb90a 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -46,6 +46,9 @@ void __init paging_init(void) unsigned long size; empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); address = PAGE_OFFSET; pg_dir = swapper_pg_dir; @@ -56,6 +59,9 @@ void __init paging_init(void) size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); next_pgtable = (unsigned long)memblock_alloc(size, PAGE_SIZE); + if (!next_pgtable) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; /* Map whole memory from PAGE_OFFSET (0x0E000000) */ |