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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/ipv4/proc.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/ipv4/proc.c')
-rw-r--r--net/ipv4/proc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 4ae1f203f7cb..1b48eb1ed453 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -59,13 +59,13 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
local_bh_enable();
socket_seq_show(seq);
- seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
+ seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %ld\n",
sock_prot_inuse_get(net, &tcp_prot), orphans,
tcp_death_row.tw_count, sockets,
- atomic_read(&tcp_memory_allocated));
- seq_printf(seq, "UDP: inuse %d mem %d\n",
+ atomic_long_read(&tcp_memory_allocated));
+ seq_printf(seq, "UDP: inuse %d mem %ld\n",
sock_prot_inuse_get(net, &udp_prot),
- atomic_read(&udp_memory_allocated));
+ atomic_long_read(&udp_memory_allocated));
seq_printf(seq, "UDPLITE: inuse %d\n",
sock_prot_inuse_get(net, &udplite_prot));
seq_printf(seq, "RAW: inuse %d\n",