Author: dumbbell Date: Thu Mar 6 23:06:47 2014 New Revision: 262873 URL: http://svnweb.freebsd.org/changeset/base/262873
Log: MFC r226848: Tidy up the comment at the head of vm_page_alloc, and mention that the returned page has the flag VPO_BUSY set. Modified: stable/9/sys/vm/vm_page.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/vm/vm_page.c ============================================================================== --- stable/9/sys/vm/vm_page.c Thu Mar 6 22:47:11 2014 (r262872) +++ stable/9/sys/vm/vm_page.c Thu Mar 6 23:06:47 2014 (r262873) @@ -1379,8 +1379,9 @@ vm_page_is_cached(vm_object_t object, vm /* * vm_page_alloc: * - * Allocate and return a memory cell associated - * with this VM object/offset pair. + * Allocate and return a page that is associated with the specified + * object and offset pair. By default, this page has the flag VPO_BUSY + * set. * * The caller must always specify an allocation class. * @@ -1390,13 +1391,14 @@ vm_page_is_cached(vm_object_t object, vm * VM_ALLOC_INTERRUPT interrupt time request * * optional allocation flags: - * VM_ALLOC_ZERO prefer a zeroed 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_IFCACHED return page only if it is cached * VM_ALLOC_IFNOTCACHED return NULL, do not reactivate if the page * is cached + * VM_ALLOC_NOBUSY do not set the flag VPO_BUSY on the page + * VM_ALLOC_NOOBJ page is not associated with an object and + * should not have the flag VPO_BUSY set + * VM_ALLOC_WIRED wire the allocated page + * VM_ALLOC_ZERO prefer a zeroed page * * This routine may not sleep. */ _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
