K 10
svn:author
V 3
alc
K 8
svn:date
V 27
2012-08-07T04:48:14.286193Z
K 7
svn:log
V 451
Never sleep on busy pages in vm_pageout_launder(), always skip them.  Long
ago, sleeping on busy pages in vm_pageout_launder() made sense.  The call
to vm_pageout_flush() specified asynchronous I/O and sleeping on busy pages
blocked vm_pageout_launder() until the flush had completed.  However, in
CVS revision 1.35 of vm/vm_contig.c, the call to vm_pageout_flush() was
changed to request synchronous I/O, but the sleep on busy pages was not
removed.

END