diff options
Diffstat (limited to 'kern/percpu.c')
| -rw-r--r-- | kern/percpu.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/kern/percpu.c b/kern/percpu.c index a7dd73ef..2da86e2e 100644 --- a/kern/percpu.c +++ b/kern/percpu.c @@ -45,8 +45,6 @@ percpu_bootstrap(void) void __init percpu_setup(void) { - unsigned long va; - printk("percpu: max_cpus: %u, section size: %zuk\n", MAX_CPUS, percpu_size >> 10); assert(vm_page_aligned(percpu_size)); @@ -54,20 +52,17 @@ percpu_setup(void) if (percpu_size == 0) return; - va = vm_kmem_alloc(percpu_size); + percpu_area_content = vm_kmem_alloc(percpu_size); - if (va == 0) + if (percpu_area_content == NULL) panic("percpu: unable to allocate memory for percpu area content"); - percpu_area_content = (void *)va; memcpy(percpu_area_content, &_percpu, percpu_size); } int __init percpu_add(unsigned int cpu) { - unsigned long va; - if (cpu >= ARRAY_SIZE(percpu_areas)) { if (!percpu_skip_warning) { printk("percpu: ignoring processor beyond id %zu\n", @@ -86,14 +81,13 @@ percpu_add(unsigned int cpu) if (percpu_size == 0) goto out; - va = vm_kmem_alloc(percpu_size); + percpu_areas[cpu] = vm_kmem_alloc(percpu_size); - if (va == 0) { + if (percpu_areas[cpu] == NULL) { printk("percpu: error: unable to allocate percpu area\n"); return ERROR_NOMEM; } - percpu_areas[cpu] = (void *)va; memcpy(percpu_area(cpu), percpu_area_content, percpu_size); out: @@ -103,5 +97,5 @@ out: void percpu_cleanup(void) { - vm_kmem_free((unsigned long)percpu_area_content, percpu_size); + vm_kmem_free(percpu_area_content, percpu_size); } |