d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
Reviewed by:	alc
MFC after:	3 days
This commit is contained in:
Mark Johnston 2016-07-23 21:03:25 +00:00
parent efe1ff4cf0
commit 44be0a8ea5
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/vm/vm_pageout.c
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