Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

Pull trivial tree from Jiri Kosina:
 "The usual trivial updates all over the tree -- mostly typo fixes and
  documentation updates"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (52 commits)
  doc: Documentation/cputopology.txt fix typo
  treewide: Convert retrun typos to return
  Fix comment typo for init_cma_reserved_pageblock
  Documentation/trace: Correcting and extending tracepoint documentation
  mm/hotplug: fix a typo in Documentation/memory-hotplug.txt
  power: Documentation: Update s2ram link
  doc: fix a typo in Documentation/00-INDEX
  Documentation/printk-formats.txt: No casts needed for u64/s64
  doc: Fix typo "is is" in Documentations
  treewide: Fix printks with 0x%#
  zram: doc fixes
  Documentation/kmemcheck: update kmemcheck documentation
  doc: documentation/hwspinlock.txt fix typo
  PM / Hibernate: add section for resume options
  doc: filesystems : Fix typo in Documentations/filesystems
  scsi/megaraid fixed several typos in comments
  ppc: init_32: Fix error typo "CONFIG_START_KERNEL"
  treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks
  page_isolation: Fix a comment typo in test_pages_isolated()
  doc: fix a typo about irq affinity
  ...

1 files changed, 17 insertions, 2 deletions

diff --git a/Documentation/trace/tracepoints.txt b/Documentation/trace/tracepoints.txt
index da49437d5ae..ac4170dd0f2 100644
--- a/Documentation/trace/tracepoints.txt
+++ b/Documentation/trace/tracepoints.txt
@@ -40,7 +40,13 @@ Two elements are required for tracepoints :
 
 In order to use tracepoints, you should include linux/tracepoint.h.
 
-In include/trace/subsys.h :
+In include/trace/events/subsys.h :
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM subsys
+
+#if !defined(_TRACE_SUBSYS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SUBSYS_H
 
 #include <linux/tracepoint.h>
 
@@ -48,10 +54,16 @@ DECLARE_TRACE(subsys_eventname,
 	TP_PROTO(int firstarg, struct task_struct *p),
 	TP_ARGS(firstarg, p));
 
+#endif /* _TRACE_SUBSYS_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
 In subsys/file.c (where the tracing statement must be added) :
 
-#include <trace/subsys.h>
+#include <trace/events/subsys.h>
 
+#define CREATE_TRACE_POINTS
 DEFINE_TRACE(subsys_eventname);
 
 void somefct(void)
@@ -72,6 +84,9 @@ Where :
 - TP_ARGS(firstarg, p) are the parameters names, same as found in the
   prototype.
 
+- if you use the header in multiple source files, #define CREATE_TRACE_POINTS
+  should appear only in one source file.
+
 Connecting a function (probe) to a tracepoint is done by providing a
 probe (function to call) for the specific tracepoint through
 register_trace_subsys_eventname().  Removing a probe is done through