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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