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SubjectRe: + kernel-trace-ring_bufferc-use-div_round_up-fix.patch added to -mm tree

On Wed, 7 Jan 2009, akpm@linux-foundation.org wrote:

>
> The patch titled
> kernel-trace-ring_bufferc-use-div_round_up-fix
> has been added to the -mm tree. Its filename is
> kernel-trace-ring_bufferc-use-div_round_up-fix.patch
>
> Before you just go and hit "reply", please:
> a) Consider who else should be cc'ed
> b) Prefer to cc a suitable mailing list as well
> c) Ideally: find the original patch on the mailing list and do a
> reply-to-all to that, adding suitable additional cc's
>
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
>
> See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
> out what to do about this
>
> The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
>
> ------------------------------------------------------
> Subject: kernel-trace-ring_bufferc-use-div_round_up-fix
> From: Andrew Morton <akpm@linux-foundation.org>
>
> oops
>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
>
> kernel/trace/ring_buffer.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff -puN kernel/trace/ring_buffer.c~kernel-trace-ring_bufferc-use-div_round_up-fix kernel/trace/ring_buffer.c
> --- a/kernel/trace/ring_buffer.c~kernel-trace-ring_bufferc-use-div_round_up-fix
> +++ a/kernel/trace/ring_buffer.c
> @@ -150,7 +150,7 @@ rb_event_length(struct ring_buffer_event
>
> case RINGBUF_TYPE_DATA:
> if (event->len)
> - length = event->len / RB_ALIGNMENT;
> + length = event->len * RB_ALIGNMENT;

OK, I see you spotted the mistake ;-)

-- Steve

> else
> length = event->array[0];
> return length + RB_EVNT_HDR_SIZE;
> _
>


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