diff options
Diffstat (limited to 'kern/thread.c')
| -rw-r--r-- | kern/thread.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/kern/thread.c b/kern/thread.c index 3e900792..91e08697 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -195,16 +195,20 @@ kern_return_t stack_alloc( (void) splx(s); if (stack == 0) { - kern_return_t kr; + struct vm_page *page; + /* * Kernel stacks should be naturally aligned, * so that it is easy to find the starting/ending * addresses of a stack given an address in the middle. */ - kr = kmem_alloc_aligned(kmem_map, &stack, KERNEL_STACK_SIZE); - if (kr != KERN_SUCCESS) - return kr; + page = vm_page_alloc_pa(vm_page_order(KERNEL_STACK_SIZE), + VM_PAGE_SEL_DIRECTMAP, + VM_PT_STACK); + if (page == NULL) + return KERN_RESOURCE_SHORTAGE; + stack = phystokv(vm_page_to_pa(page)); #if MACH_DEBUG stack_init(stack); #endif /* MACH_DEBUG */ @@ -298,7 +302,7 @@ void stack_privilege( void thread_init(void) { kmem_cache_init(&thread_cache, "thread", sizeof(struct thread), 0, - NULL, NULL, NULL, 0); + NULL, 0); /* * Fill in a template thread for fast initialization. |