diff options
Diffstat (limited to 'sys/kern/kern_thread.c')
| -rw-r--r-- | sys/kern/kern_thread.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 4343b64..3c6232c 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -60,6 +60,7 @@ __FBSDID("$FreeBSD$"); #include <vm/vm.h> #include <vm/vm_extern.h> #include <vm/uma.h> +#include <vm/vm_domain.h> #include <sys/eventhandler.h> SDT_PROVIDER_DECLARE(proc); @@ -351,6 +352,7 @@ thread_alloc(int pages) return (NULL); } cpu_thread_alloc(td); + vm_domain_policy_init(&td->td_vm_dom_policy); return (td); } @@ -380,6 +382,7 @@ thread_free(struct thread *td) cpu_thread_free(td); if (td->td_kstack != 0) vm_thread_dispose(td); + vm_domain_policy_cleanup(&td->td_vm_dom_policy); uma_zfree(thread_zone, td); } @@ -406,9 +409,9 @@ void thread_cow_free(struct thread *td) { - if (td->td_ucred) + if (td->td_ucred != NULL) crfree(td->td_ucred); - if (td->td_limit) + if (td->td_limit != NULL) lim_free(td->td_limit); } @@ -416,15 +419,27 @@ void thread_cow_update(struct thread *td) { struct proc *p; + struct ucred *oldcred; + struct plimit *oldlimit; p = td->td_proc; + oldcred = NULL; + oldlimit = NULL; PROC_LOCK(p); - if (td->td_ucred != p->p_ucred) - cred_update_thread(td); - if (td->td_limit != p->p_limit) - lim_update_thread(td); + if (td->td_ucred != p->p_ucred) { + oldcred = td->td_ucred; + td->td_ucred = crhold(p->p_ucred); + } + if (td->td_limit != p->p_limit) { + oldlimit = td->td_limit; + td->td_limit = lim_hold(p->p_limit); + } td->td_cowgen = p->p_cowgen; PROC_UNLOCK(p); + if (oldcred != NULL) + crfree(oldcred); + if (oldlimit != NULL) + lim_free(oldlimit); } /* |
