Correct a comment - each page queue has its own lock.

Reviewed by:	alc
MFC after:	3 days
This commit is contained in:
markj 2016-07-23 21:03:25 +00:00
parent 1d06ff1df8
commit cfc5b19f8a

View File

@ -267,7 +267,7 @@ vm_pageout_init_marker(vm_page_t marker, u_short queue)
*
* Lock vm object currently associated with `m'. VM_OBJECT_TRYWLOCK is
* known to have failed and page queue must be either PQ_ACTIVE or
* PQ_INACTIVE. To avoid lock order violation, unlock the page queues
* PQ_INACTIVE. To avoid lock order violation, unlock the page queue
* while locking the vm object. Use marker page to detect page queue
* changes and maintain notion of next page on page queue. Return
* TRUE if no changes were detected, FALSE otherwise. vm object is