Em Wed, Dec 12, 2007 at 04:56:32PM +0000, Gerrit Renker escreveu:
> | This time around I'm not doing any reordering, just trying to use your
> | patches as is, but adding this patch as-is produces a kernel that will
> | crash, no?
> |
> | > The loss history and the RX/TX packet history slabs are all created in
> | > tfrc.c using the three different __init routines of the dccp_tfrc_lib.
> |
> | Yes, the init routines are called and in turn they create the slab
> | caches, but up to the patch "[PATCH 8/8] [PATCH v2] [CCID3]: Interface
> | CCID3 code with newer Loss Intervals Database" the new li slab is not
> | being created, no? See what I'm talking?
> |
> Sorry, there is some weird kind of mix-up going on. Can you please check
> your patch set: it seems this email exchange refers to an older variant.
> In the most recent patch set, the slab is introduced in the patch
>
> [TFRC]: Ringbuffer to track loss interval history
>
> --- a/net/dccp/ccids/lib/loss_interval.c
> +++ b/net/dccp/ccids/lib/loss_interval.c
> @@ -27,6 +23,54 @@ struct dccp_li_hist_entry {
> u32 dccplih_interval;
> };
>
> +static struct kmem_cache *tfrc_lh_slab __read_mostly; /* <=== */
Yup, this one, is introduced as above but is not initialized at the
module init routine, please see, it should be OK and we can move on:
http://git.kernel.org/?p=linux/kernel/git/acme/net-2.6.25.git;a=commitdiff;h=a925429ce2189b548dc19037d3ebd4ff35ae4af7
> +/* Loss Interval weights from [RFC 3448, 5.4], scaled by 10 */
> +static const int tfrc_lh_weights[NINTERVAL] = { 10, 10, 10, 10, 8, 6, 4, 2 };
> // ...
>
> And this is 6/8, i.e. before 8/8, cf.
> http://www.mail-archive.com/dccp@vger.kernel.org/msg03000.html
>
> I don't know which tree you are working off, would it be possible to
> check against the test tree
> git://eden-feed.erg.abdn.ac.uk/dccp_exp [dccp]
I'm doing a fresh clone now. But I think that everything is OK after
today's merge request I sent to David.
- Arnaldo
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