Re: [B.A.T.M.A.N.] [PATCH v2] batman-adv: use kmem_cache for translation table

[Marek Lindner <mareklindner@neomailbox.ch>]

[-- Attachment #1: Type: text/plain, Size: 1070 bytes --]

On Saturday, June 25, 2016 16:44:06 Sven Eckelmann wrote:
> The translation table (global, local) is usually the part of batman-adv
> which has the most dynamical allocated objects. Most of them
> (tt_local_entry, tt_global_entry, tt_orig_list_entry, tt_change_node,
> tt_req_node, tt_roam_node) are equally sized. So it makes sense to have
> them allocated from a kmem_cache for each type.
> 
> This approach allowed a small wireless router (TP-Link TL-841NDv8; SLUB
> allocator) to store 34% more translation table entries compared to the
> current implementation.
> 
> [1] https://open-mesh.org/projects/batman-adv/wiki/Kmalloc-kmem-cache-tests
> 
> Reported-by: Linus Lüssing <linus.luessing@c0d3.blue>
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
>  net/batman-adv/main.c              |  16 +++-
>  net/batman-adv/translation-table.c | 169
> +++++++++++++++++++++++++++++++++---- net/batman-adv/translation-table.h
> |   3 +
>  3 files changed, 169 insertions(+), 19 deletions(-)

Applied in revision eb079fb.

Thanks,
Marek

[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 473 bytes --]