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tracing: Fix off-by-one on allocating stat->pages
author
Namhyung Kim
<namhyung.kim@lge.com>
Mon, 1 Apr 2013 12:46:24 +0000
(21:46 +0900)
committer
Steven Rostedt
<rostedt@goodmis.org>
Tue, 9 Apr 2013 23:00:49 +0000
(19:00 -0400)
The first page was allocated separately, so no need to start from 0.
Link:
http://lkml.kernel.org/r/1364820385-32027-2-git-send-email-namhyung@kernel.org
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/ftrace.c
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diff --git
a/kernel/trace/ftrace.c
b/kernel/trace/ftrace.c
index
548a1f7
..
c9f3149
100644
(file)
--- a/
kernel/trace/ftrace.c
+++ b/
kernel/trace/ftrace.c
@@
-676,7
+676,7
@@
int ftrace_profile_pages_init(struct ftrace_profile_stat *stat)
pages = DIV_ROUND_UP(functions, PROFILES_PER_PAGE);
- for (i =
0
; i < pages; i++) {
+ for (i =
1
; i < pages; i++) {
pg->next = (void *)get_zeroed_page(GFP_KERNEL);
if (!pg->next)
goto out_free;