svn commit: r204415 - head/sys/vm

[Konstantin Belousov]

Author: kib
Date: Sat Feb 27 17:09:28 2010
New Revision: 204415
URL: http://svn.freebsd.org/changeset/base/204415

Log:
  Update comment for vm_page_alloc(9), listing all acceptable flags [1].
  Note that the function does not sleep, it can block.
  
  Submitted by:	Giovanni Trematerra <giovanni.trematerra gmail com> [1]
  MFC after:	3 days

Modified:
  head/sys/vm/vm_page.c

Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c	Sat Feb 27 16:51:23 2010	(r204414)
+++ head/sys/vm/vm_page.c	Sat Feb 27 17:09:28 2010	(r204415)
@@ -1020,8 +1020,13 @@ vm_page_cache_transfer(vm_object_t orig_
  *	VM_ALLOC_SYSTEM		system *really* needs a page
  *	VM_ALLOC_INTERRUPT	interrupt time request
  *	VM_ALLOC_ZERO		zero page
+ *	VM_ALLOC_WIRED		wire the allocated page
+ *	VM_ALLOC_NOOBJ		page is not associated with a vm object
+ *	VM_ALLOC_NOBUSY		do not set the page busy
+ *	VM_ALLOC_IFNOTCACHED	return NULL, do not reactivate if the page
+ *				is cached
  *
- *	This routine may not block.
+ *	This routine may not sleep.
  */
 vm_page_t
 vm_page_alloc(vm_object_t object, vm_pindex_t pindex, int req)