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| author | Sven Eckelmann <sven@narfation.org> | 2016-06-25 16:44:06 +0200 |
|---|---|---|
| committer | Simon Wunderlich <sw@simonwunderlich.de> | 2016-08-09 07:54:32 +0200 |
| commit | 86452f81d200d4d6ad489ef84311030eff84dd84 (patch) | |
| tree | 6d83f692b7ae449a46400cc25a733abb5e7b4052 /net/core | |
| parent | a65e5481315e0754a20f58aa374423610a311f33 (diff) | |
| download | lwn-86452f81d200d4d6ad489ef84311030eff84dd84.tar.gz lwn-86452f81d200d4d6ad489ef84311030eff84dd84.zip | |
batman-adv: use kmem_cache for translation table
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>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net/core')
0 files changed, 0 insertions, 0 deletions