diff options
author | Bob Copeland <me@bobcopeland.com> | 2016-03-19 05:11:29 +0300 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-05 22:34:51 +0300 |
commit | 47a0489ce1e518f4936c7fedb93b3d2abd7ccd2e (patch) | |
tree | abce8be6a632b789e77f66933b3bf128fa9fe948 /net/mac80211/mesh.h | |
parent | 0aa7fabbd5d9da1f8a8fdc3e2837c532bcfa5664 (diff) | |
download | linux-47a0489ce1e518f4936c7fedb93b3d2abd7ccd2e.tar.xz |
mac80211: mesh: use hlist for rmc cache
The RMC cache has 256 list heads plus a u32, which puts it at the
unfortunate size of 4104 bytes with padding. kmalloc() will then
round this up to the next power-of-two, so we wind up actually
using two pages here where most of the second is wasted.
Switch to hlist heads here to reduce the structure size down to
fit within a page.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mesh.h')
-rw-r--r-- | net/mac80211/mesh.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index e1415c952e9c..bc3f9a32b5a4 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -158,14 +158,14 @@ struct mesh_table { * that are found in the cache. */ struct rmc_entry { - struct list_head list; + struct hlist_node list; u32 seqnum; unsigned long exp_time; u8 sa[ETH_ALEN]; }; struct mesh_rmc { - struct list_head bucket[RMC_BUCKETS]; + struct hlist_head bucket[RMC_BUCKETS]; u32 idx_mask; }; |