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-rw-r--r--arch/s390/kernel/crash_dump.c4
-rw-r--r--arch/s390/kernel/numa.c8
-rw-r--r--arch/s390/kernel/setup.c20
-rw-r--r--arch/s390/kernel/smp.c11
-rw-r--r--arch/s390/kernel/topology.c10
5 files changed, 11 insertions, 42 deletions
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index cd0c93a8fb8b..dc7328fd2ec4 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -63,9 +63,7 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu)
{
struct save_area *sa;
- sa = memblock_alloc(sizeof(*sa), 8);
- if (!sa)
- return NULL;
+ sa = memblock_alloc_or_panic(sizeof(*sa), 8);
if (is_boot_cpu)
list_add(&sa->list, &dump_save_areas);
diff --git a/arch/s390/kernel/numa.c b/arch/s390/kernel/numa.c
index ddc1448ea2e1..2fc40f97c0ad 100644
--- a/arch/s390/kernel/numa.c
+++ b/arch/s390/kernel/numa.c
@@ -21,12 +21,8 @@ void __init numa_setup(void)
nodes_clear(node_possible_map);
node_set(0, node_possible_map);
node_set_online(0);
- for (nid = 0; nid < MAX_NUMNODES; nid++) {
- NODE_DATA(nid) = memblock_alloc(sizeof(pg_data_t), 8);
- if (!NODE_DATA(nid))
- panic("%s: Failed to allocate %zu bytes align=0x%x\n",
- __func__, sizeof(pg_data_t), 8);
- }
+ for (nid = 0; nid < MAX_NUMNODES; nid++)
+ NODE_DATA(nid) = memblock_alloc_or_panic(sizeof(pg_data_t), 8);
NODE_DATA(0)->node_spanned_pages = memblock_end_of_DRAM() >> PAGE_SHIFT;
NODE_DATA(0)->node_id = 0;
}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a3fea683b227..f873535eddd2 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -384,11 +384,7 @@ static unsigned long __init stack_alloc_early(void)
{
unsigned long stack;
- stack = (unsigned long)memblock_alloc(THREAD_SIZE, THREAD_SIZE);
- if (!stack) {
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, THREAD_SIZE, THREAD_SIZE);
- }
+ stack = (unsigned long)memblock_alloc_or_panic(THREAD_SIZE, THREAD_SIZE);
return stack;
}
@@ -512,10 +508,7 @@ static void __init setup_resources(void)
bss_resource.end = __pa_symbol(__bss_stop) - 1;
for_each_mem_range(i, &start, &end) {
- res = memblock_alloc(sizeof(*res), 8);
- if (!res)
- panic("%s: Failed to allocate %zu bytes align=0x%x\n",
- __func__, sizeof(*res), 8);
+ res = memblock_alloc_or_panic(sizeof(*res), 8);
res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM;
res->name = "System RAM";
@@ -534,10 +527,7 @@ static void __init setup_resources(void)
std_res->start > res->end)
continue;
if (std_res->end > res->end) {
- sub_res = memblock_alloc(sizeof(*sub_res), 8);
- if (!sub_res)
- panic("%s: Failed to allocate %zu bytes align=0x%x\n",
- __func__, sizeof(*sub_res), 8);
+ sub_res = memblock_alloc_or_panic(sizeof(*sub_res), 8);
*sub_res = *std_res;
sub_res->end = res->end;
std_res->start = res->end + 1;
@@ -824,9 +814,7 @@ static void __init setup_randomness(void)
{
struct sysinfo_3_2_2 *vmms;
- vmms = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
- if (!vmms)
- panic("Failed to allocate memory for sysinfo structure\n");
+ vmms = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
if (stsi(vmms, 3, 2, 2) == 0 && vmms->count)
add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count);
memblock_free(vmms, PAGE_SIZE);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 822d8e6f8717..7b08399b0846 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -611,9 +611,7 @@ void __init smp_save_dump_ipl_cpu(void)
if (!dump_available())
return;
sa = save_area_alloc(true);
- regs = memblock_alloc(512, 8);
- if (!sa || !regs)
- panic("could not allocate memory for boot CPU save area\n");
+ regs = memblock_alloc_or_panic(512, 8);
copy_oldmem_kernel(regs, __LC_FPREGS_SAVE_AREA, 512);
save_area_add_regs(sa, regs);
memblock_free(regs, 512);
@@ -646,8 +644,6 @@ void __init smp_save_dump_secondary_cpus(void)
SIGP_CC_NOT_OPERATIONAL)
continue;
sa = save_area_alloc(false);
- if (!sa)
- panic("could not allocate memory for save area\n");
__pcpu_sigp_relax(addr, SIGP_STORE_STATUS_AT_ADDRESS, __pa(page));
save_area_add_regs(sa, page);
if (cpu_has_vx()) {
@@ -792,10 +788,7 @@ void __init smp_detect_cpus(void)
u16 address;
/* Get CPU information */
- info = memblock_alloc(sizeof(*info), 8);
- if (!info)
- panic("%s: Failed to allocate %zu bytes align=0x%x\n",
- __func__, sizeof(*info), 8);
+ info = memblock_alloc_or_panic(sizeof(*info), 8);
smp_get_core_info(info, 1);
/* Find boot CPU type */
if (sclp.has_core_type) {
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 4f9c301a705b..45e220bfce75 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -548,10 +548,7 @@ static void __init alloc_masks(struct sysinfo_15_1_x *info,
nr_masks *= info->mag[TOPOLOGY_NR_MAG - offset - 1 - i];
nr_masks = max(nr_masks, 1);
for (i = 0; i < nr_masks; i++) {
- mask->next = memblock_alloc(sizeof(*mask->next), 8);
- if (!mask->next)
- panic("%s: Failed to allocate %zu bytes align=0x%x\n",
- __func__, sizeof(*mask->next), 8);
+ mask->next = memblock_alloc_or_panic(sizeof(*mask->next), 8);
mask = mask->next;
}
}
@@ -569,10 +566,7 @@ void __init topology_init_early(void)
}
if (!MACHINE_HAS_TOPOLOGY)
goto out;
- tl_info = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
- if (!tl_info)
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, PAGE_SIZE, PAGE_SIZE);
+ tl_info = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
info = tl_info;
store_topology(info);
pr_info("The CPU configuration topology of the machine is: %d %d %d %d %d %d / %d\n",
generated by cgit v1.2.3 (git 2.0.4) at 2025-12-28 00:29:26 +0000