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Date:	Wed, 12 Dec 2007 16:56:32 +0000
From:	Gerrit Renker <>
To:	Arnaldo Carvalho de Melo <>,,
Subject: Re: [PATCH 8/8] [PATCH v2] [CCID3]: Interface CCID3 code with newer Loss Intervals Database

| 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;	/* <=== */
+/* 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.
I don't know which tree you are working off, would it be possible to
check against the test tree
	git://		[dccp]

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