tools, bpftool: Remove two unused variables.
[linux-2.6-microblaze.git] / include / linux / page_ref.h
index d277011..f3318f3 100644 (file)
@@ -7,13 +7,13 @@
 #include <linux/page-flags.h>
 #include <linux/tracepoint-defs.h>
 
-extern struct tracepoint __tracepoint_page_ref_set;
-extern struct tracepoint __tracepoint_page_ref_mod;
-extern struct tracepoint __tracepoint_page_ref_mod_and_test;
-extern struct tracepoint __tracepoint_page_ref_mod_and_return;
-extern struct tracepoint __tracepoint_page_ref_mod_unless;
-extern struct tracepoint __tracepoint_page_ref_freeze;
-extern struct tracepoint __tracepoint_page_ref_unfreeze;
+DECLARE_TRACEPOINT(page_ref_set);
+DECLARE_TRACEPOINT(page_ref_mod);
+DECLARE_TRACEPOINT(page_ref_mod_and_test);
+DECLARE_TRACEPOINT(page_ref_mod_and_return);
+DECLARE_TRACEPOINT(page_ref_mod_unless);
+DECLARE_TRACEPOINT(page_ref_freeze);
+DECLARE_TRACEPOINT(page_ref_unfreeze);
 
 #ifdef CONFIG_DEBUG_PAGE_REF
 
@@ -24,7 +24,7 @@ extern struct tracepoint __tracepoint_page_ref_unfreeze;
  *
  * See trace_##name##_enabled(void) in include/linux/tracepoint.h
  */
-#define page_ref_tracepoint_active(t) static_key_false(&(t).key)
+#define page_ref_tracepoint_active(t) tracepoint_enabled(t)
 
 extern void __page_ref_set(struct page *page, int v);
 extern void __page_ref_mod(struct page *page, int v);
@@ -75,7 +75,7 @@ static inline int page_count(struct page *page)
 static inline void set_page_count(struct page *page, int v)
 {
        atomic_set(&page->_refcount, v);
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_set))
+       if (page_ref_tracepoint_active(page_ref_set))
                __page_ref_set(page, v);
 }
 
@@ -91,14 +91,14 @@ static inline void init_page_count(struct page *page)
 static inline void page_ref_add(struct page *page, int nr)
 {
        atomic_add(nr, &page->_refcount);
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
+       if (page_ref_tracepoint_active(page_ref_mod))
                __page_ref_mod(page, nr);
 }
 
 static inline void page_ref_sub(struct page *page, int nr)
 {
        atomic_sub(nr, &page->_refcount);
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
+       if (page_ref_tracepoint_active(page_ref_mod))
                __page_ref_mod(page, -nr);
 }
 
@@ -106,7 +106,7 @@ static inline int page_ref_sub_return(struct page *page, int nr)
 {
        int ret = atomic_sub_return(nr, &page->_refcount);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return))
+       if (page_ref_tracepoint_active(page_ref_mod_and_return))
                __page_ref_mod_and_return(page, -nr, ret);
        return ret;
 }
@@ -114,14 +114,14 @@ static inline int page_ref_sub_return(struct page *page, int nr)
 static inline void page_ref_inc(struct page *page)
 {
        atomic_inc(&page->_refcount);
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
+       if (page_ref_tracepoint_active(page_ref_mod))
                __page_ref_mod(page, 1);
 }
 
 static inline void page_ref_dec(struct page *page)
 {
        atomic_dec(&page->_refcount);
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod))
+       if (page_ref_tracepoint_active(page_ref_mod))
                __page_ref_mod(page, -1);
 }
 
@@ -129,7 +129,7 @@ static inline int page_ref_sub_and_test(struct page *page, int nr)
 {
        int ret = atomic_sub_and_test(nr, &page->_refcount);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_test))
+       if (page_ref_tracepoint_active(page_ref_mod_and_test))
                __page_ref_mod_and_test(page, -nr, ret);
        return ret;
 }
@@ -138,7 +138,7 @@ static inline int page_ref_inc_return(struct page *page)
 {
        int ret = atomic_inc_return(&page->_refcount);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return))
+       if (page_ref_tracepoint_active(page_ref_mod_and_return))
                __page_ref_mod_and_return(page, 1, ret);
        return ret;
 }
@@ -147,7 +147,7 @@ static inline int page_ref_dec_and_test(struct page *page)
 {
        int ret = atomic_dec_and_test(&page->_refcount);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_test))
+       if (page_ref_tracepoint_active(page_ref_mod_and_test))
                __page_ref_mod_and_test(page, -1, ret);
        return ret;
 }
@@ -156,7 +156,7 @@ static inline int page_ref_dec_return(struct page *page)
 {
        int ret = atomic_dec_return(&page->_refcount);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_and_return))
+       if (page_ref_tracepoint_active(page_ref_mod_and_return))
                __page_ref_mod_and_return(page, -1, ret);
        return ret;
 }
@@ -165,7 +165,7 @@ static inline int page_ref_add_unless(struct page *page, int nr, int u)
 {
        int ret = atomic_add_unless(&page->_refcount, nr, u);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_mod_unless))
+       if (page_ref_tracepoint_active(page_ref_mod_unless))
                __page_ref_mod_unless(page, nr, ret);
        return ret;
 }
@@ -174,7 +174,7 @@ static inline int page_ref_freeze(struct page *page, int count)
 {
        int ret = likely(atomic_cmpxchg(&page->_refcount, count, 0) == count);
 
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_freeze))
+       if (page_ref_tracepoint_active(page_ref_freeze))
                __page_ref_freeze(page, count, ret);
        return ret;
 }
@@ -185,7 +185,7 @@ static inline void page_ref_unfreeze(struct page *page, int count)
        VM_BUG_ON(count == 0);
 
        atomic_set_release(&page->_refcount, count);
-       if (page_ref_tracepoint_active(__tracepoint_page_ref_unfreeze))
+       if (page_ref_tracepoint_active(page_ref_unfreeze))
                __page_ref_unfreeze(page, count);
 }