Date: Fri, 18 Nov 2016 08:59:47 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r308800 - stable/11/sys/vm Message-ID: <201611180859.uAI8xlv4095312@repo.freebsd.org>
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Author: kib Date: Fri Nov 18 08:59:47 2016 New Revision: 308800 URL: https://svnweb.freebsd.org/changeset/base/308800 Log: MFC r308288: Do not sleep in vm_wait() if pagedaemon did not yet started. Panic instead. Modified: stable/11/sys/vm/vm_page.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/vm/vm_page.c ============================================================================== --- stable/11/sys/vm/vm_page.c Fri Nov 18 08:15:45 2016 (r308799) +++ stable/11/sys/vm/vm_page.c Fri Nov 18 08:59:47 2016 (r308800) @@ -2744,6 +2744,8 @@ vm_wait(void) msleep(&vm_pageout_pages_needed, &vm_page_queue_free_mtx, PDROP | PSWP, "VMWait", 0); } else { + if (__predict_false(pageproc == NULL)) + panic("vm_wait in early boot"); if (!vm_pageout_wanted) { vm_pageout_wanted = true; wakeup(&vm_pageout_wanted);
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