kernel/futex.c: make 3 functions static

[Linux Kernel Mailing List]

Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fad23fc78b959dae89768e523c3a6f5edb83bbe9
Commit:     fad23fc78b959dae89768e523c3a6f5edb83bbe9
Parent:     02c3530da6b926b31f89ba589da72eca49557edd
Author:     Adrian Bunk <[EMAIL PROTECTED]>
AuthorDate: Fri Nov 2 16:43:22 2007 +0100
Committer:  Rusty Russell <[EMAIL PROTECTED]>
CommitDate: Mon Nov 5 21:53:46 2007 +1100

    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 <[EMAIL PROTECTED]>
    Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
---
 include/linux/futex.h |    4 ----
 kernel/futex.c        |   11 ++++-------
 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 3271045..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)
 {
-
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