diff options
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 3fd4f09..a031435 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -80,6 +80,7 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_map.h> #include <vm/vm_extern.h> #include <vm/uma.h> +#include <vm/vm_domain.h> #ifdef KDTRACE_HOOKS #include <sys/dtrace_bsd.h> @@ -405,6 +406,7 @@ do_fork(struct thread *td, int flags, struct proc *p2, struct thread *td2, bcopy(&p1->p_startcopy, &p2->p_startcopy, __rangeof(struct proc, p_startcopy, p_endcopy)); pargs_hold(p2->p_args); + PROC_UNLOCK(p1); bzero(&p2->p_startzero, @@ -497,6 +499,14 @@ do_fork(struct thread *td, int flags, struct proc *p2, struct thread *td2, if (p1->p_flag & P_PROFIL) startprofclock(p2); + /* + * Whilst the proc lock is held, copy the VM domain data out + * using the VM domain method. + */ + vm_domain_policy_init(&p2->p_vm_dom_policy); + vm_domain_policy_localcopy(&p2->p_vm_dom_policy, + &p1->p_vm_dom_policy); + if (flags & RFSIGSHARE) { p2->p_sigacts = sigacts_hold(p1->p_sigacts); } else { |
