diff options
Diffstat (limited to 'kern/percpu.c')
| -rw-r--r-- | kern/percpu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kern/percpu.c b/kern/percpu.c index 71f67b1a..5b9690cc 100644 --- a/kern/percpu.c +++ b/kern/percpu.c @@ -52,14 +52,16 @@ percpu_setup(void) percpu_area_size >> 10); assert(vm_page_aligned(percpu_area_size)); - if (percpu_area_size == 0) + if (percpu_area_size == 0) { return; + } order = vm_page_order(percpu_area_size); page = vm_page_alloc(order, VM_PAGE_SEL_DIRECTMAP, VM_PAGE_KERNEL); - if (page == NULL) + if (page == NULL) { panic("percpu: unable to allocate memory for percpu area content"); + } percpu_area_content = vm_page_direct_ptr(page); memcpy(percpu_area_content, &_percpu, percpu_area_size); @@ -86,8 +88,9 @@ percpu_add(unsigned int cpu) return ERROR_INVAL; } - if (percpu_area_size == 0) + if (percpu_area_size == 0) { goto out; + } order = vm_page_order(percpu_area_size); page = vm_page_alloc(order, VM_PAGE_SEL_DIRECTMAP, VM_PAGE_KERNEL); |