diff options
| author | Alan Cox <alc@FreeBSD.org> | 2003-03-09 20:38:56 +0000 |
|---|---|---|
| committer | Alan Cox <alc@FreeBSD.org> | 2003-03-09 20:38:56 +0000 |
| commit | 167b9720889f9aa137ec017b0783e0aa55791ca8 (patch) | |
| tree | ed76febd18e54251528371f5b23db940d51d04be /sys/kern | |
| parent | 7f03a257ac3665c3aec49c7538489a10465a2654 (diff) | |
Notes
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/uipc_cow.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/sys/kern/uipc_cow.c b/sys/kern/uipc_cow.c index 21701e0f597b..dfe2c8690ce3 100644 --- a/sys/kern/uipc_cow.c +++ b/sys/kern/uipc_cow.c @@ -87,19 +87,15 @@ socow_iodone(void *addr, void *args) { int s; struct sf_buf *sf; - - vm_offset_t paddr; vm_page_t pp; sf = dtosf(addr); - paddr = vtophys((vm_offset_t)addr); - pp = PHYS_TO_VM_PAGE(paddr); + pp = sf->m; s = splvm(); /* remove COW mapping */ vm_page_lock_queues(); vm_page_cowclear(pp); vm_page_unlock_queues(); - vm_object_deallocate(pp->object); splx(s); /* note that sf_buf_free() unwires the page for us*/ sf_buf_free(addr, NULL); @@ -152,11 +148,6 @@ socow_setup(struct mbuf *m0, struct uio *uio) vm_page_wire(pp); vm_page_unlock_queues(); - /* - * prevent the process from exiting on us. - */ - vm_object_reference(pp->object); - /* * attach to mbuf */ |