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| author | jhb <jhb@FreeBSD.org> | 2001-01-24 09:49:49 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2001-01-24 09:49:49 +0000 |
| commit | 1b7c29442e5ad3530e88e080d18fb4e82c39a7ff (patch) | |
| tree | 54bd07b4a323bfff75ce5289882590616ae8e8c0 /sys/amd64 | |
| parent | 8e161d3269e181e90230c96d4cd3dd335f5a934f (diff) | |
| download | FreeBSD-src-1b7c29442e5ad3530e88e080d18fb4e82c39a7ff.zip FreeBSD-src-1b7c29442e5ad3530e88e080d18fb4e82c39a7ff.tar.gz | |
- Proc locking.
- P_INMEM -> PS_INMEM.
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index b41dfb0..b7c0d0f 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -816,19 +816,25 @@ pmap_new_proc(p) /* * allocate object for the upages */ + PROC_LOCK(p); if ((upobj = p->p_upages_obj) == NULL) { + PROC_UNLOCK(p); upobj = vm_object_allocate( OBJT_DEFAULT, UPAGES); + PROC_LOCK(p); p->p_upages_obj = upobj; } /* get a kernel virtual address for the UPAGES for this proc */ if ((up = p->p_addr) == NULL) { + PROC_UNLOCK(p); up = (struct user *) kmem_alloc_nofault(kernel_map, UPAGES * PAGE_SIZE); if (up == NULL) panic("pmap_new_proc: u_map allocation failed"); + PROC_LOCK(p); p->p_addr = up; } + PROC_UNLOCK(p); ptek = (unsigned *) vtopte((vm_offset_t) up); |
