| From: Namhyung Kim <namhyung.kim@lge.com> |
| Date: Mon, 1 Apr 2013 21:46:24 +0900 |
| Subject: 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 |
| |
| Cc: Frederic Weisbecker <fweisbec@gmail.com> |
| Cc: Namhyung Kim <namhyung.kim@lge.com> |
| Signed-off-by: Namhyung Kim <namhyung@kernel.org> |
| Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
| Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
| --- |
| kernel/trace/ftrace.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/kernel/trace/ftrace.c |
| +++ b/kernel/trace/ftrace.c |
| @@ -554,7 +554,7 @@ int ftrace_profile_pages_init(struct ftr |
| |
| 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; |
