diff options
| author | dyson <dyson@FreeBSD.org> | 1996-03-09 06:56:39 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1996-03-09 06:56:39 +0000 |
| commit | d1a4f3bdd462733b99a4f2e1a61fd6019a0f60d6 (patch) | |
| tree | 4e4404beeabc5ba67c6faae8f4c6456e18463e2b /sys/vm | |
| parent | 38b0672ce24d7be06ab2c39595af983b3cfa8828 (diff) | |
| download | FreeBSD-src-d1a4f3bdd462733b99a4f2e1a61fd6019a0f60d6.zip FreeBSD-src-d1a4f3bdd462733b99a4f2e1a61fd6019a0f60d6.tar.gz | |
Modify a threshold for waking up the pageout daemon. Also, add a consistancy
check for making sure that held pages aren't freed (DG).
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_page.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index f6dd2c4..9035525 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)vm_page.c 7.4 (Berkeley) 5/7/91 - * $Id: vm_page.c,v 1.47 1996/01/27 00:13:33 bde Exp $ + * $Id: vm_page.c,v 1.48 1996/03/02 02:54:24 dyson Exp $ */ /* @@ -535,7 +535,7 @@ vm_page_unqueue(vm_page_t m) --(*vm_page_queues[queue].cnt); if (queue == PQ_CACHE) { if ((cnt.v_cache_count + cnt.v_free_count) < - (cnt.v_free_min + cnt.v_cache_min)) + (cnt.v_free_reserved + cnt.v_cache_min)) pagedaemon_wakeup(); } return; @@ -680,7 +680,7 @@ vm_page_alloc(object, pindex, page_req) * we would be nearly out of memory. */ if (((cnt.v_free_count + cnt.v_cache_count) < - (cnt.v_free_min + cnt.v_cache_min)) || + (cnt.v_free_reserved + cnt.v_cache_min)) || (cnt.v_free_count < cnt.v_pageout_free_min)) pagedaemon_wakeup(); @@ -823,6 +823,10 @@ vm_page_free(m) panic("vm_page_free: freeing busy page"); } + if (m->hold_count) { + panic("freeing held page, count=%d", m->hold_count); + } + vm_page_remove(m); vm_page_unqueue(m); |
