diff options
Diffstat (limited to 'sys/kern/subr_uio.c')
| -rw-r--r-- | sys/kern/subr_uio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/subr_uio.c b/sys/kern/subr_uio.c index 725b1a8..783a8d6 100644 --- a/sys/kern/subr_uio.c +++ b/sys/kern/subr_uio.c @@ -104,9 +104,11 @@ retry: if ((user_pg = vm_page_lookup(uobject, upindex)) != NULL) { if (vm_page_sleep_if_busy(user_pg, TRUE, "vm_pgmoveco")) goto retry; + vm_page_lock(user_pg); vm_page_lock_queues(); pmap_remove_all(user_pg); vm_page_free(user_pg); + vm_page_unlock(user_pg); } else { /* * Even if a physical page does not exist in the |
