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authorEric Dumazet <eric.dumazet@gmail.com>2010-11-09 23:24:26 +0000
committerDavid S. Miller <davem@davemloft.net>2010-11-10 12:12:00 -0800
commit8d987e5c75107ca7515fa19e857cfa24aab6ec8f (patch)
tree6392c5f08f0df39d42a079336f6be3960ac404dc /net/sctp/socket.c
parent67286640f638f5ad41a946b9a3dc75327950248f (diff)
net: avoid limits overflow
Robin Holt tried to boot a 16TB machine and found some limits were reached : sysctl_tcp_mem[2], sysctl_udp_mem[2] We can switch infrastructure to use long "instead" of "int", now atomic_long_t primitives are available for free. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Reported-by: Robin Holt <holt@sgi.com> Reviewed-by: Robin Holt <holt@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e34ca9cc1167..6bd554323a34 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -111,12 +111,12 @@ static void sctp_sock_migrate(struct sock *, struct sock *,
static char *sctp_hmac_alg = SCTP_COOKIE_HMAC_ALG;
extern struct kmem_cache *sctp_bucket_cachep;
-extern int sysctl_sctp_mem[3];
+extern long sysctl_sctp_mem[3];
extern int sysctl_sctp_rmem[3];
extern int sysctl_sctp_wmem[3];
static int sctp_memory_pressure;
-static atomic_t sctp_memory_allocated;
+static atomic_long_t sctp_memory_allocated;
struct percpu_counter sctp_sockets_allocated;
static void sctp_enter_memory_pressure(struct sock *sk)