diff options
74 files changed, 411 insertions, 32 deletions
diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c index 466cd44d8b36..f489170201c3 100644 --- a/arch/alpha/kernel/core_cia.c +++ b/arch/alpha/kernel/core_cia.c @@ -332,6 +332,9 @@ cia_prepare_tbia_workaround(int window) /* Use minimal 1K map. */ ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768); + if (!ppte) + panic("%s: Failed to allocate %u bytes align=0x%x\n", + __func__, CIA_BROKEN_TBIA_SIZE, 32768); pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1; for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i) diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index c1d0c18c71ca..1db9d0eb2922 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -83,6 +83,9 @@ mk_resource_name(int pe, int port, char *str) sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port); name = memblock_alloc(strlen(tmp) + 1, SMP_CACHE_BYTES); + if (!name) + panic("%s: Failed to allocate %zu bytes\n", __func__, + strlen(tmp) + 1); strcpy(name, tmp); return name; @@ -118,6 +121,9 @@ alloc_io7(unsigned int pe) } io7 = memblock_alloc(sizeof(*io7), SMP_CACHE_BYTES); + if (!io7) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*io7)); io7->pe = pe; raw_spin_lock_init(&io7->irq_lock); diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index 091cff3c68fd..ae82061edae9 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -34,6 +34,9 @@ alloc_pci_controller(void) struct pci_controller *hose; hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES); + if (!hose) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*hose)); *hose_tail = hose; hose_tail = &hose->next; @@ -44,7 +47,13 @@ alloc_pci_controller(void) struct resource * __init alloc_resource(void) { - return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + + if (!ptr) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct resource)); + + return ptr; } SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus, @@ -54,7 +63,7 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus, /* from hose or from bus.devfn */ if (which & IOBASE_FROM_HOSE) { - for (hose = hose_head; hose; hose = hose->next) + for (hose = hose_head; hose; hose = hose->next) if (hose->index == bus) break; if (!hose) diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index 97098127df83..64fbfb0763b2 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -393,6 +393,9 @@ alloc_pci_controller(void) struct pci_controller *hose; hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES); + if (!hose) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*hose)); *hose_tail = hose; hose_tail = &hose->next; @@ -403,7 +406,13 @@ alloc_pci_controller(void) struct resource * __init alloc_resource(void) { - return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + + if (!ptr) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct resource)); + + return ptr; } diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index e4cf77b07742..3034d6d936d2 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -80,6 +80,9 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, " falling back to system-wide allocation\n", __func__, nid); arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES); + if (!arena) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*arena)); } arena->ptes = memblock_alloc_node(sizeof(*arena), align, nid); @@ -88,12 +91,21 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, " falling back to system-wide allocation\n", __func__, nid); arena->ptes = memblock_alloc(mem_size, align); + if (!arena->ptes) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, mem_size, align); } #else /* CONFIG_DISCONTIGMEM */ arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES); + if (!arena) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*arena)); arena->ptes = memblock_alloc(mem_size, align); + if (!arena->ptes) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, mem_size, align); #endif /* CONFIG_DISCONTIGMEM */ diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c index 48e700151810..11f57e2ced8a 100644 --- a/arch/arc/mm/highmem.c +++ b/arch/arc/mm/highmem.c @@ -124,6 +124,10 @@ static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr) pmd_k = pmd_offset(pud_k, kvaddr); pte_k = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte_k) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + pmd_populate_kernel(&init_mm, pmd_k, pte_k); return pte_k; } diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 375b13f7e780..5d78b6ac0429 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -867,6 +867,9 @@ static void __init request_standard_resources(const struct machine_desc *mdesc) boot_alias_start = phys_to_idmap(start); if (arm_has_idmap_alias() && boot_alias_start != IDMAP_INVALID_ADDR) { res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", + __func__, sizeof(*res)); res->name = "System RAM (boot alias)"; res->start = boot_alias_start; res->end = phys_to_idmap(end); @@ -875,6 +878,9 @@ static void __init request_standard_resources(const struct machine_desc *mdesc) } res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*res)); res->name = "System RAM"; res->start = start; res->end = end; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 57de0dde3ae0..f3ce34113f89 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -721,7 +721,13 @@ EXPORT_SYMBOL(phys_mem_access_prot); static void __init *early_alloc(unsigned long sz) { - return memblock_alloc(sz, sz); + void *ptr = memblock_alloc(sz, sz); + + if (!ptr) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, sz, sz); + + return ptr; } static void *__init late_alloc(unsigned long sz) @@ -994,6 +1000,9 @@ void __init iotable_init(struct map_desc *io_desc, int nr) return; svm = memblock_alloc(sizeof(*svm) * nr, __alignof__(*svm)); + if (!svm) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, sizeof(*svm) * nr, __alignof__(*svm)); for (md = io_desc; nr; md++, nr--) { create_mapping(md); @@ -1016,6 +1025,9 @@ void __init vm_reserve_area_early(unsigned long addr, unsigned long size, struct static_vm *svm; svm = memblock_alloc(sizeof(*svm), __alignof__(*svm)); + if (!svm) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, sizeof(*svm), __alignof__(*svm)); vm = &svm->vm; vm->addr = (void *)addr; diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 834b321a88f8..f8482fe5a190 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -208,6 +208,7 @@ static void __init request_standard_resources(void) struct memblock_region *region; struct resource *res; unsigned long i = 0; + size_t res_size; kernel_code.start = __pa_symbol(_text); kernel_code.end = __pa_symbol(__init_begin - 1); @@ -215,9 +216,10 @@ static void __init request_standard_resources(void) kernel_data.end = __pa_symbol(_end - 1); num_standard_resources = memblock.memory.cnt; - standard_resources = memblock_alloc_low(num_standard_resources * - sizeof(*standard_resources), - SMP_CACHE_BYTES); + res_size = num_standard_resources * sizeof(*standard_resources); + standard_resources = memblock_alloc_low(res_size, SMP_CACHE_BYTES); + if (!standard_resources) + panic("%s: Failed to allocate %zu bytes\n", __func__, res_size); for_each_memblock(memory, region) { res = &standard_resources[i++]; diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index f37a86d2a69d..296de39ddee5 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -40,6 +40,11 @@ static phys_addr_t __init kasan_alloc_zeroed_page(int node) void *p = memblock_alloc_try_nid(PAGE_SIZE, PAGE_SIZE, __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_KASAN, node); + if (!p) + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n", + __func__, PAGE_SIZE, PAGE_SIZE, node, + __pa(MAX_DMA_ADDRESS)); + return __pa(p); } @@ -48,6 +53,11 @@ static phys_addr_t __init kasan_alloc_raw_page(int node) void *p = memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE, __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_KASAN, node); + if (!p) + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n", + __func__, PAGE_SIZE, PAGE_SIZE, node, + __pa(MAX_DMA_ADDRESS)); + return __pa(p); } diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c index 0be289839ce0..0d3701bc88f6 100644 --- a/arch/c6x/mm/dma-coherent.c +++ b/arch/c6x/mm/dma-coherent.c @@ -138,6 +138,10 @@ void __init coherent_mem_init(phys_addr_t start, u32 size) dma_bitmap = memblock_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long), sizeof(long)); + if (!dma_bitmap) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, BITS_TO_LONGS(dma_pages) * sizeof(long), + sizeof(long)); } static void c6x_dma_sync(struct device *dev, phys_addr_t paddr, size_t size, diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c index e83c04654238..fe582c3a1794 100644 --- a/arch/c6x/mm/init.c +++ b/arch/c6x/mm/init.c @@ -40,6 +40,9 @@ void __init paging_init(void) empty_zero_page = (unsigned long) 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 user data space diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c index 53b1bfa4c462..3317b774f6dc 100644 --- a/arch/csky/mm/highmem.c +++ b/arch/csky/mm/highmem.c @@ -141,6 +141,11 @@ static void __init fixrange_init(unsigned long start, unsigned long end, for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) { if (pmd_none(*pmd)) { pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, + PAGE_SIZE); + set_pmd(pmd, __pmd(__pa(pte))); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index a1578904ad4e..0f04a5e9aa4f 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -68,6 +68,9 @@ void __init paging_init(void) * to a couple of allocated pages. */ empty_zero_page = (unsigned long)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/atari/stram.c b/arch/m68k/atari/stram.c index 6ffc204eb07d..6152f9f631d2 100644 --- a/arch/m68k/atari/stram.c +++ b/arch/m68k/atari/stram.c @@ -97,6 +97,10 @@ void __init atari_stram_reserve_pages(void *start_mem) pr_debug("atari_stram pool: kernel in ST-RAM, using alloc_bootmem!\n"); stram_pool.start = (resource_size_t)memblock_alloc_low(pool_size, PAGE_SIZE); + if (!stram_pool.start) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, pool_size, PAGE_SIZE); + stram_pool.end = stram_pool.start + pool_size - 1; request_resource(&iomem_resource, &stram_pool); stram_virt_offset = 0; 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) */ diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c index 4d64711d3d47..399f3d06125f 100644 --- a/arch/m68k/sun3/sun3dvma.c +++ b/arch/m68k/sun3/sun3dvma.c @@ -269,6 +269,9 @@ void __init dvma_init(void) iommu_use = memblock_alloc(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long), SMP_CACHE_BYTES); + if (!iommu_use) + panic("%s: Failed to allocate %zu bytes\n", __func__, + IOMMU_TOTAL_ENTRIES * sizeof(unsigned long)); dvma_unmap_iommu(DVMA_START, DVMA_SIZE); diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index bd1cd4bff449..7e97d44f6538 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -374,10 +374,14 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask) { void *p; - if (mem_init_done) + if (mem_init_done) { p = kzalloc(size, mask); - else + } else { p = memblock_alloc(size, SMP_CACHE_BYTES); + if (!p) + panic("%s: Failed to allocate %zu bytes\n", + __func__, size); + } return p; } diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index e8eb60ed99f2..11d5a4e90736 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -245,6 +245,9 @@ void __init plat_swiotlb_setup(void) swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT; octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE); + if (!octeon_swiotlb) + panic("%s: Fai |