diff options
Diffstat (limited to 'sys/vm/device_pager.c')
| -rw-r--r-- | sys/vm/device_pager.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/sys/vm/device_pager.c b/sys/vm/device_pager.c index 9002e77..996f740 100644 --- a/sys/vm/device_pager.c +++ b/sys/vm/device_pager.c @@ -251,12 +251,16 @@ dev_pager_getpages(object, m, count, reqpage) VM_OBJECT_LOCK(object); dev_pager_updatefake(page, paddr, memattr); if (count > 1) { - vm_page_lock_queues(); + for (i = 0; i < count; i++) { - if (i != reqpage) + if (i != reqpage) { + vm_page_lock(m[i]); + vm_page_lock_queues(); vm_page_free(m[i]); + vm_page_unlock_queues(); + vm_page_unlock(m[i]); + } } - vm_page_unlock_queues(); } } else { /* @@ -266,10 +270,13 @@ dev_pager_getpages(object, m, count, reqpage) page = dev_pager_getfake(paddr, memattr); VM_OBJECT_LOCK(object); TAILQ_INSERT_TAIL(&object->un_pager.devp.devp_pglist, page, pageq); - vm_page_lock_queues(); - for (i = 0; i < count; i++) + for (i = 0; i < count; i++) { + vm_page_lock(m[i]); + vm_page_lock_queues(); vm_page_free(m[i]); - vm_page_unlock_queues(); + vm_page_unlock_queues(); + vm_page_unlock(m[i]); + } vm_page_insert(page, object, offset); m[reqpage] = page; } |
