From 787a6034170b59d55afe8d0a12cb0904f20cb74d Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Sun, 16 Aug 2015 02:18:47 +0200
Subject: codify locking contracts

Conflicts:
	vm/vm_page.h
---
 vm/vm_page.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'vm/vm_page.h')

diff --git a/vm/vm_page.h b/vm/vm_page.h
index 90599a1..dd571e2 100644
--- a/vm/vm_page.h
+++ b/vm/vm_page.h
@@ -293,6 +293,7 @@ extern unsigned int	vm_page_info(
 
 #define vm_page_lock_queues()	lock_write(&vm_page_queue_lock)
 #define vm_page_unlock_queues()	lock_write_done(&vm_page_queue_lock)
+#define have_vm_page_queue_lock() have_write_lock(&vm_page_queue_lock)
 
 #define VM_PAGE_QUEUES_REMOVE(mem)				\
 	MACRO_BEGIN						\
-- 
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