Messages in this thread | | | Date | Wed, 11 Feb 2009 13:22:36 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH tip 1/1] ring_buffer: pahole struct ring_buffer |
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* Arnaldo Carvalho de Melo <acme@redhat.com> wrote:
> Hi, > > While fixing some bugs in pahole (built-in.o files were not being > processed due to relocation problems) I found out about these packable > structures: > > $ pahole --packable kernel/trace/ring_buffer.o | grep ring > ring_buffer 72 64 8 > ring_buffer_per_cpu 112 104 8
> ring_buffer.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c > index 53ba3a6..27ef3bf 100644 > --- a/kernel/trace/ring_buffer.c > +++ b/kernel/trace/ring_buffer.c > @@ -273,8 +273,8 @@ struct ring_buffer { > unsigned pages; > unsigned flags; > int cpus; > - cpumask_var_t cpumask; > atomic_t record_disabled; > + cpumask_var_t cpumask;
Applied to tip:tracing/ring-buffer, thanks Arnaldo!
Is there anything packable in core kernel structures like task struct?
Ingo
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