diff options
Diffstat (limited to 'sys/kern/kern_thread.c')
| -rw-r--r-- | sys/kern/kern_thread.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index d47bd8c..4f3b32c 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -283,7 +283,7 @@ thread_reap(void) * Allocate a thread. */ struct thread * -thread_alloc(void) +thread_alloc(int pages) { struct thread *td; @@ -291,7 +291,7 @@ thread_alloc(void) td = (struct thread *)uma_zalloc(thread_zone, M_WAITOK); KASSERT(td->td_kstack == 0, ("thread_alloc got thread with kstack")); - if (!vm_thread_new(td, 0)) { + if (!vm_thread_new(td, pages)) { uma_zfree(thread_zone, td); return (NULL); } @@ -299,6 +299,17 @@ thread_alloc(void) return (td); } +int +thread_alloc_stack(struct thread *td, int pages) +{ + + KASSERT(td->td_kstack == 0, + ("thread_alloc_stack called on a thread with kstack")); + if (!vm_thread_new(td, pages)) + return (0); + cpu_thread_alloc(td); + return (1); +} /* * Deallocate a thread. @@ -312,8 +323,6 @@ thread_free(struct thread *td) cpuset_rel(td->td_cpuset); td->td_cpuset = NULL; cpu_thread_free(td); - if (td->td_altkstack != 0) - vm_thread_dispose_altkstack(td); if (td->td_kstack != 0) vm_thread_dispose(td); uma_zfree(thread_zone, td); |
