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-rw-r--r--Documentation/DocBook/kernel-locking.tmpl4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/DocBook/kernel-locking.tmpl b/Documentation/DocBook/kernel-locking.tmpl
index 435413ca40dc..77c42f40be5d 100644
--- a/Documentation/DocBook/kernel-locking.tmpl
+++ b/Documentation/DocBook/kernel-locking.tmpl
@@ -854,7 +854,7 @@ The change is shown below, in standard patch format: the
854 }; 854 };
855 855
856-static DEFINE_MUTEX(cache_lock); 856-static DEFINE_MUTEX(cache_lock);
857+static spinlock_t cache_lock = SPIN_LOCK_UNLOCKED; 857+static DEFINE_SPINLOCK(cache_lock);
858 static LIST_HEAD(cache); 858 static LIST_HEAD(cache);
859 static unsigned int cache_num = 0; 859 static unsigned int cache_num = 0;
860 #define MAX_CACHE_SIZE 10 860 #define MAX_CACHE_SIZE 10
@@ -1238,7 +1238,7 @@ Here is the "lock-per-object" implementation:
1238- int popularity; 1238- int popularity;
1239 }; 1239 };
1240 1240
1241 static spinlock_t cache_lock = SPIN_LOCK_UNLOCKED; 1241 static DEFINE_SPINLOCK(cache_lock);
1242@@ -77,6 +84,7 @@ 1242@@ -77,6 +84,7 @@
1243 obj->id = id; 1243 obj->id = id;
1244 obj->popularity = 0; 1244 obj->popularity = 0;