svn commit: r214095 - in head: share/man/man9 sys/vm

Andriy Gapon avg at FreeBSD.org
Wed Oct 20 05:17:24 UTC 2010


Author: avg
Date: Wed Oct 20 05:17:23 2010
New Revision: 214095
URL: http://svn.freebsd.org/changeset/base/214095

Log:
  PG_BUSY -> VPO_BUSY, PG_WANTED -> VPO_WANTED in manual pages and comments
  
  Reviewed by:	alc
  MFC after:	4 days

Modified:
  head/share/man/man9/vm_page_io.9
  head/share/man/man9/vm_page_sleep_busy.9
  head/share/man/man9/vm_page_wakeup.9
  head/sys/vm/swap_pager.c

Modified: head/share/man/man9/vm_page_io.9
==============================================================================
--- head/share/man/man9/vm_page_io.9	Wed Oct 20 04:53:03 2010	(r214094)
+++ head/share/man/man9/vm_page_io.9	Wed Oct 20 05:17:23 2010	(r214095)
@@ -52,9 +52,9 @@ function lowers the busy count on the pa
 count is zero, a
 .Xr wakeup 9
 will be issued if the page has been marked
-.Dv PG_WANTED .
+.Dv VPO_WANTED .
 A page is typically marked
-.Dv PG_WANTED
+.Dv VPO_WANTED
 by a thread to register its interest in
 the page to either complete I/O or becoming available for general use.
 .Sh AUTHORS

Modified: head/share/man/man9/vm_page_sleep_busy.9
==============================================================================
--- head/share/man/man9/vm_page_sleep_busy.9	Wed Oct 20 04:53:03 2010	(r214094)
+++ head/share/man/man9/vm_page_sleep_busy.9	Wed Oct 20 05:17:23 2010	(r214095)
@@ -42,7 +42,7 @@
 The
 .Fn vm_page_sleep_busy
 function waits until the
-.Dv PG_BUSY
+.Dv VPO_BUSY
 flag is cleared.
 If
 .Fa also_m_busy

Modified: head/share/man/man9/vm_page_wakeup.9
==============================================================================
--- head/share/man/man9/vm_page_wakeup.9	Wed Oct 20 04:53:03 2010	(r214094)
+++ head/share/man/man9/vm_page_wakeup.9	Wed Oct 20 05:17:23 2010	(r214095)
@@ -50,20 +50,20 @@ of a page.
 .Pp
 .Fn vm_page_busy
 sets the
-.Dv PG_BUSY
+.Dv VPO_BUSY
 flag in the page.
 .Pp
 .Fn vm_page_flash
 checks to see if there is anybody waiting on the page
-.Dv ( PG_WANTED
+.Dv ( VPO_WANTED
 will be set), and if so, clears the
-.Dv PG_WANTED
+.Dv VPO_WANTED
 flag and notifies whoever is waiting via
 .Fn wakeup .
 .Pp
 .Fn vm_page_wakeup
 clears the
-.Dv PG_BUSY
+.Dv VPO_BUSY
 flag on the page, and calls
 .Fn vm_page_flash
 in case somebody has been waiting for it.

Modified: head/sys/vm/swap_pager.c
==============================================================================
--- head/sys/vm/swap_pager.c	Wed Oct 20 04:53:03 2010	(r214094)
+++ head/sys/vm/swap_pager.c	Wed Oct 20 05:17:23 2010	(r214095)
@@ -1460,8 +1460,8 @@ swap_pager_putpages(vm_object_t object, 
  *	Completion routine for asynchronous reads and writes from/to swap.
  *	Also called manually by synchronous code to finish up a bp.
  *
- *	For READ operations, the pages are PG_BUSY'd.  For WRITE operations, 
- *	the pages are vm_page_t->busy'd.  For READ operations, we PG_BUSY 
+ *	For READ operations, the pages are VPO_BUSY'd.  For WRITE operations, 
+ *	the pages are vm_page_t->busy'd.  For READ operations, we VPO_BUSY 
  *	unbusy all pages except the 'main' request page.  For WRITE 
  *	operations, we vm_page_t->busy'd unbusy all pages ( we can do this 
  *	because we marked them all VM_PAGER_PEND on return from putpages ).


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