diff options
| author | Eric Dumazet <edumazet@google.com> | 2013-01-03 22:18:39 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-03 18:27:08 -0600 |
| commit | 99740d8bf1a78bcfd85072d2396847488a565b68 (patch) | |
| tree | f460034a3570415abc78e9be50bc3664d660e5bc /include/net | |
| parent | 98dbbfa183f5abbbe582c1ba53b8bfac9e7ed37e (diff) | |
netfilter: xt_recent: avoid high order page allocations
commit 2727de76041b2064c0b74f00a2a89678fb3efafc upstream.
xt_recent can try high order page allocations and this can fail.
iptables: page allocation failure: order:9, mode:0xc0d0
It also wastes about half the allocated space because of kmalloc()
power-of-two roundups and struct recent_table layout.
Use vmalloc() instead to save space and be less prone to allocation
errors when memory is fragmented.
Reported-by: Miroslav Kratochvil <exa.exa@gmail.com>
Reported-by: Dave Jones <davej@redhat.com>
Reported-by: Harald Reindl <h.reindl@thelounge.net>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/net')
0 files changed, 0 insertions, 0 deletions