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Date: Mon, 03 Aug 2015 19:37:34 +0200 From: Daniel Borkmann <daniel@...earbox.net> To: Nicolas Schichan <nschichan@...ebox.fr>, Alexei Starovoitov <ast@...mgrid.com>, "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/6] test_bpf: allow tests to specify an skb fragment. On 08/03/2015 06:38 PM, Nicolas Schichan wrote: > On 08/03/2015 05:29 PM, Daniel Borkmann wrote: >> On 08/03/2015 04:02 PM, Nicolas Schichan wrote: >> We now have 286 tests, which is awesome! >> >> Perhaps, we need to start thinking of a better test description method >> soonish as the test_bpf.ko module grew to ~1.6M, i.e. whenever we add >> to struct bpf_test, it adds memory overhead upon all test cases. > > Indeed, test_bpf.ko is turning quite large (1.4M when compiled for ARM). > > It looks like gzip is able to do wonders on the module though as I end up with > a 94.7K test_bpf.ko.gz file and if the modutils are compiled with > --enable-zlib, it will be gunziped automatically before being loaded to the > kernel. I think it just contains a lot of zero blocks, which then compress nicely. > I think that marking tests[] array as __initdata will help with the runtime > memory use if someone forgets to rmmod the test_bpf module after a completely > successful run. Can be done, too, yep. Do you want to send a patch? ;) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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