diff options
Diffstat (limited to 'sys/kern/kern_proc.c')
| -rw-r--r-- | sys/kern/kern_proc.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c index 2a74a59..6c46801 100644 --- a/sys/kern/kern_proc.c +++ b/sys/kern/kern_proc.c @@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$"); #include <sys/ptrace.h> #include <sys/refcount.h> #include <sys/resourcevar.h> +#include <sys/rwlock.h> #include <sys/sbuf.h> #include <sys/sysent.h> #include <sys/sched.h> @@ -1994,7 +1995,7 @@ sysctl_kern_proc_ovmmap(SYSCTL_HANDLER_ARGS) kve->kve_private_resident = 0; obj = entry->object.vm_object; if (obj != NULL) { - VM_OBJECT_LOCK(obj); + VM_OBJECT_WLOCK(obj); if (obj->shadow_count == 1) kve->kve_private_resident = obj->resident_page_count; @@ -2009,9 +2010,9 @@ sysctl_kern_proc_ovmmap(SYSCTL_HANDLER_ARGS) for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) { if (tobj != obj) - VM_OBJECT_LOCK(tobj); + VM_OBJECT_WLOCK(tobj); if (lobj != obj) - VM_OBJECT_UNLOCK(lobj); + VM_OBJECT_WUNLOCK(lobj); lobj = tobj; } @@ -2071,11 +2072,11 @@ sysctl_kern_proc_ovmmap(SYSCTL_HANDLER_ARGS) break; } if (lobj != obj) - VM_OBJECT_UNLOCK(lobj); + VM_OBJECT_WUNLOCK(lobj); kve->kve_ref_count = obj->ref_count; kve->kve_shadow_count = obj->shadow_count; - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); if (vp != NULL) { vn_fullpath(curthread, vp, &fullpath, &freepath); @@ -2161,7 +2162,7 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_ARGS) kve->kve_private_resident = 0; obj = entry->object.vm_object; if (obj != NULL) { - VM_OBJECT_LOCK(obj); + VM_OBJECT_WLOCK(obj); if (obj->shadow_count == 1) kve->kve_private_resident = obj->resident_page_count; @@ -2182,9 +2183,9 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_ARGS) for (lobj = tobj = obj; tobj; tobj = tobj->backing_object) { if (tobj != obj) - VM_OBJECT_LOCK(tobj); + VM_OBJECT_WLOCK(tobj); if (lobj != obj) - VM_OBJECT_UNLOCK(lobj); + VM_OBJECT_WUNLOCK(lobj); lobj = tobj; } @@ -2246,11 +2247,11 @@ sysctl_kern_proc_vmmap(SYSCTL_HANDLER_ARGS) break; } if (lobj != obj) - VM_OBJECT_UNLOCK(lobj); + VM_OBJECT_WUNLOCK(lobj); kve->kve_ref_count = obj->ref_count; kve->kve_shadow_count = obj->shadow_count; - VM_OBJECT_UNLOCK(obj); + VM_OBJECT_WUNLOCK(obj); if (vp != NULL) { vn_fullpath(curthread, vp, &fullpath, &freepath); |
