Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 1 Jun 2016 04:03:55 +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-10@freebsd.org
Subject:   svn commit: r301099 - stable/10/sys/vm
Message-ID:  <201606010403.u5143tGu052145@repo.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: kib
Date: Wed Jun  1 04:03:55 2016
New Revision: 301099
URL: https://svnweb.freebsd.org/changeset/base/301099

Log:
  MFC r300622:
  In vm_page_cache(), only drop the vnode after radix insert failure
  for empty page cache when the object type is OBJT_VNODE.

Modified:
  stable/10/sys/vm/vm_page.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/vm/vm_page.c
==============================================================================
--- stable/10/sys/vm/vm_page.c	Wed Jun  1 04:01:48 2016	(r301098)
+++ stable/10/sys/vm/vm_page.c	Wed Jun  1 04:03:55 2016	(r301099)
@@ -2582,7 +2582,8 @@ vm_page_cache(vm_page_t m)
 	cache_was_empty = vm_radix_is_empty(&object->cache);
 	if (vm_radix_insert(&object->cache, m)) {
 		mtx_unlock(&vm_page_queue_free_mtx);
-		if (object->resident_page_count == 0)
+		if (object->type == OBJT_VNODE &&
+		    object->resident_page_count == 0)
 			vdrop(object->handle);
 		m->object = NULL;
 		vm_page_free(m);



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201606010403.u5143tGu052145>