summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAdrian Bunk <bunk@kernel.org>2007-11-02 16:43:22 +0100
committerRusty Russell <rusty@rustcorp.com.au>2007-11-05 21:53:46 +1100
commitfad23fc78b959dae89768e523c3a6f5edb83bbe9 (patch)
treeb4a5f9844b5d2c412a92c528a84ce9cf6d2299da
parent02c3530da6b926b31f89ba589da72eca49557edd (diff)
downloadop-kernel-dev-fad23fc78b959dae89768e523c3a6f5edb83bbe9.zip
op-kernel-dev-fad23fc78b959dae89768e523c3a6f5edb83bbe9.tar.gz
kernel/futex.c: make 3 functions static
The following functions can now become static again: - get_futex_key() - get_futex_key_refs() - drop_futex_key_refs() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
-rw-r--r--include/linux/futex.h4
-rw-r--r--kernel/futex.c11
2 files changed, 4 insertions, 11 deletions
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 9965035..92d420f 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -149,10 +149,6 @@ union futex_key {
int offset;
} both;
};
-int get_futex_key(u32 __user *uaddr, struct rw_semaphore *shared,
- union futex_key *key);
-void get_futex_key_refs(union futex_key *key);
-void drop_futex_key_refs(union futex_key *key);
#ifdef CONFIG_FUTEX
extern void exit_robust_list(struct task_struct *curr);
diff --git a/kernel/futex.c b/kernel/futex.c
index 32710451..9dc591a 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -181,8 +181,8 @@ static inline int match_futex(union futex_key *key1, union futex_key *key2)
* For other futexes, it points to &current->mm->mmap_sem and
* caller must have taken the reader lock. but NOT any spinlocks.
*/
-int get_futex_key(u32 __user *uaddr, struct rw_semaphore *fshared,
- union futex_key *key)
+static int get_futex_key(u32 __user *uaddr, struct rw_semaphore *fshared,
+ union futex_key *key)
{
unsigned long address = (unsigned long)uaddr;
struct mm_struct *mm = current->mm;
@@ -268,14 +268,13 @@ int get_futex_key(u32 __user *uaddr, struct rw_semaphore *fshared,
}
return err;
}
-EXPORT_SYMBOL_GPL(get_futex_key);
/*
* Take a reference to the resource addressed by a key.
* Can be called while holding spinlocks.
*
*/
-inline void get_futex_key_refs(union futex_key *key)
+static void get_futex_key_refs(union futex_key *key)
{
if (key->both.ptr == 0)
return;
@@ -288,13 +287,12 @@ inline void get_futex_key_refs(union futex_key *key)
break;
}
}
-EXPORT_SYMBOL_GPL(get_futex_key_refs);
/*
* Drop a reference to the resource addressed by a key.
* The hash bucket spinlock must not be held.
*/
-void drop_futex_key_refs(union futex_key *key)
+static void drop_futex_key_refs(union futex_key *key)
{
if (!key->both.ptr)
return;
@@ -307,7 +305,6 @@ void drop_futex_key_refs(union futex_key *key)
break;
}
}
-EXPORT_SYMBOL_GPL(drop_futex_key_refs);
static u32 cmpxchg_futex_value_locked(u32 __user *uaddr, u32 uval, u32 newval)
{
OpenPOWER on IntegriCloud