kmemtrace: use tracepoints

kmemtrace now uses tracepoints instead of markers. We no longer need to
use format specifiers to pass arguments.

Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
[ folded: Use the new TP_PROTO and TP_ARGS to fix the build.     ]
[ folded: fix build when CONFIG_KMEMTRACE is disabled.           ]
[ folded: define tracepoints when CONFIG_TRACEPOINTS is enabled. ]
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <ae61c0f37156db8ec8dc0d5778018edde60a92e3.1237813499.git.eduard.munteanu@linux360.ro>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

mm/slob.c

diff --git a/mm/slob.c b/mm/slob.c
index 4dd6516..0000358 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -490,9 +490,8 @@
 		*m = size;
 		ret = (void *)m + align;
 
-		kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
-					  _RET_IP_, ret,
-					  size, size + align, gfp, node);
+		trace_kmalloc_node(_RET_IP_, ret,
+				   size, size + align, gfp, node);
 	} else {
 		unsigned int order = get_order(size);
 
@@ -503,9 +502,8 @@
 			page->private = size;
 		}
 
-		kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
-					  _RET_IP_, ret,
-					  size, PAGE_SIZE << order, gfp, node);
+		trace_kmalloc_node(_RET_IP_, ret,
+				   size, PAGE_SIZE << order, gfp, node);
 	}
 
 	return ret;
@@ -527,7 +525,7 @@
 	} else
 		put_page(&sp->page);
 
-	kmemtrace_mark_free(KMEMTRACE_TYPE_KMALLOC, _RET_IP_, block);
+	trace_kfree(_RET_IP_, block);
 }
 EXPORT_SYMBOL(kfree);
 
@@ -599,16 +597,14 @@
 
 	if (c->size < PAGE_SIZE) {
 		b = slob_alloc(c->size, flags, c->align, node);
-		kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE,
-					  _RET_IP_, b, c->size,
-					  SLOB_UNITS(c->size) * SLOB_UNIT,
-					  flags, node);
+		trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+					    SLOB_UNITS(c->size) * SLOB_UNIT,
+					    flags, node);
 	} else {
 		b = slob_new_pages(flags, get_order(c->size), node);
-		kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_CACHE,
-					  _RET_IP_, b, c->size,
-					  PAGE_SIZE << get_order(c->size),
-					  flags, node);
+		trace_kmem_cache_alloc_node(_RET_IP_, b, c->size,
+					    PAGE_SIZE << get_order(c->size),
+					    flags, node);
 	}
 
 	if (c->ctor)
@@ -646,7 +642,7 @@
 		__kmem_cache_free(b, c->size);
 	}
 
-	kmemtrace_mark_free(KMEMTRACE_TYPE_CACHE, _RET_IP_, b);
+	trace_kmem_cache_free(_RET_IP_, b);
 }
 EXPORT_SYMBOL(kmem_cache_free);