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author | Namhyung Kim <namhyung.kim@lge.com> | 2013-04-01 21:46:24 +0900 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-07 20:33:08 -0700 |
commit | 7c6d8df06744fb287c7ee4d29f028d3f0a218b9e (patch) | |
tree | 7ef07457db38e6541e65906672074c4220dbf326 | |
parent | d0dcb91ae25a553c445dc05d777199f47b41eed7 (diff) | |
download | lwn-7c6d8df06744fb287c7ee4d29f028d3f0a218b9e.tar.gz lwn-7c6d8df06744fb287c7ee4d29f028d3f0a218b9e.zip |
tracing: Fix off-by-one on allocating stat->pages
commit 39e30cd1537937d3c00ef87e865324e981434e5b upstream.
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
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | kernel/trace/ftrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index b3fde6d7b7fc..5ca0c9417ebd 100644 --- 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; |