K 10 svn:author V 3 alc K 8 svn:date V 27 2003-06-22T21:35:41.000000Z K 7 svn:log V 248 Maintain a lock on the vm object of interest throughout vm_fault(), releasing the lock only if we are about to sleep (e.g., vm_pager_get_pages() or vm_pager_has_pages()). If we sleep, we have marked the vm object with the paging-in-progress flag. END