svn commit: r301851 - head/sys/vm

[Konstantin Belousov]

Author: kib
Date: Mon Jun 13 03:39:16 2016
New Revision: 301851
URL: https://svnweb.freebsd.org/changeset/base/301851

Log:
  Explicitely initialize sw_alloc_sx.  Currently it is not initialized
  but works due to zeroed out bss on startup.
  
  Reviewed by:	alc
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week
  Approved by:	re (hrs)

Modified:
  head/sys/vm/swap_pager.c

Modified: head/sys/vm/swap_pager.c
==============================================================================
--- head/sys/vm/swap_pager.c	Mon Jun 13 03:28:37 2016	(r301850)
+++ head/sys/vm/swap_pager.c	Mon Jun 13 03:39:16 2016	(r301851)
@@ -488,6 +488,7 @@ swap_pager_init(void)
 		TAILQ_INIT(&swap_pager_object_list[i]);
 	mtx_init(&sw_alloc_mtx, "swap_pager list", NULL, MTX_DEF);
 	mtx_init(&sw_dev_mtx, "swapdev", NULL, MTX_DEF);
+	sx_init(&sw_alloc_sx, "swspsx");
 	sx_init(&swdev_syscall_lock, "swsysc");
 
 	/*