Toss all emergency packets not for a SOCK_VMIO socket. This ensures our precious memory reserve doesn't get stuck waiting for user-space. Signed-off-by: Peter Zijlstra --- include/net/sock.h | 3 +++ 1 file changed, 3 insertions(+) Index: linux-2.6-git/include/net/sock.h =================================================================== --- linux-2.6-git.orig/include/net/sock.h 2007-02-14 16:15:49.000000000 +0100 +++ linux-2.6-git/include/net/sock.h 2007-02-14 16:16:27.000000000 +0100 @@ -926,6 +926,9 @@ static inline int sk_filter(struct sock { int err; struct sk_filter *filter; + + if (skb_emergency(skb) && !sk_has_vmio(sk)) + return -EPERM; err = security_sock_rcv_skb(sk, skb); if (err) -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/