mac80211: mesh: use hlist for rmc cache

Browse source

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>

...

This commit is contained in:

Bob Copeland 2016-03-18 22:11:29 -04:00 • committed by Johannes Berg

parent 0aa7fabbd5

commit 47a0489ce1

2 changed files with 12 additions and 10 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

18

net/mac80211/mesh.c

View file

4

net/mac80211/mesh.h

View file