[ipoib] Mark REMAC cache as expensive

As with the neighbour cache, discarding an REMAC cache entry is
potentially very disruptive.

Originally-fixed-by: Wissam Shoukair <wissams@mellanox.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/drivers/net/ipoib.c b/src/drivers/net/ipoib.c
index 7250f841..b72e8fc5 100644
--- a/src/drivers/net/ipoib.c
+++ b/src/drivers/net/ipoib.c
@@ -234,7 +234,7 @@ static unsigned int ipoib_discard_remac ( void ) {
 }
 
 /** IPoIB cache discarder */
-struct cache_discarder ipoib_discarder __cache_discarder ( CACHE_NORMAL ) = {
+struct cache_discarder ipoib_discarder __cache_discarder ( CACHE_EXPENSIVE ) = {
 	.discard = ipoib_discard_remac,
 };