Hi Steve,
On Wed, 11 Jun 2014 10:03:40 -0400, Steven Rostedt wrote:
> On Wed, 11 Jun 2014 17:06:53 +0900
> Namhyung Kim <namhy...@kernel.org> wrote:
>
>> As struct ftrace_page is managed in a single linked list, it should
>> free from the start page.
>>
>> Signed-off-by: Namhyung Kim <namhy...@kernel.org>
>> ---
>> kernel/trace/ftrace.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
>> index 5b372e3ed675..ddfda763ded7 100644
>> --- a/kernel/trace/ftrace.c
>> +++ b/kernel/trace/ftrace.c
>> @@ -2398,7 +2398,8 @@ ftrace_allocate_pages(unsigned long num_to_init)
>> return start_pg;
>>
>> free_pages:
>> - while (start_pg) {
>> + pg = start_pg;
>> + while (pg) {
>
> It works with just the added "pg = start_page", I would keep the
> while (start_pg) still.
The reason why I changed it is the code actually uses pg rather than
start_pg in the loop. So it's more comfortable for me to check the pg
in the condition. But it's minor, I won't insist it strongly.. :)
Thanks,
Namhyung
>> order = get_count_order(pg->size / ENTRIES_PER_PAGE);
>> free_pages((unsigned long)pg->records, order);
>> start_pg = pg->next;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
