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| author | kib <kib@FreeBSD.org> | 2016-11-18 08:59:47 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2016-11-18 08:59:47 +0000 |
| commit | 295dea39fa111d8113d6b5bdb27633f38d3c6031 (patch) | |
| tree | 60aac10597df5f466b2a00094392be476e1f17b5 | |
| parent | 6d62938c33e63fb7ec6e36199c10bd573599eb97 (diff) | |
| download | FreeBSD-src-295dea39fa111d8113d6b5bdb27633f38d3c6031.zip FreeBSD-src-295dea39fa111d8113d6b5bdb27633f38d3c6031.tar.gz | |
MFC r308288:
Do not sleep in vm_wait() if pagedaemon did not yet started. Panic instead.
| -rw-r--r-- | sys/vm/vm_page.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index 8bf8549..dec3e4d 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -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); |
