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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-11-10 02:24:26 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-11-10 23:12:00 +0300 |
| commit | 8d987e5c75107ca7515fa19e857cfa24aab6ec8f (patch) | |
| tree | 6392c5f08f0df39d42a079336f6be3960ac404dc /net/decnet/sysctl_net_decnet.c | |
| parent | 67286640f638f5ad41a946b9a3dc75327950248f (diff) | |
| download | linux-8d987e5c75107ca7515fa19e857cfa24aab6ec8f.tar.xz | |
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/decnet/sysctl_net_decnet.c')
| -rw-r--r-- | net/decnet/sysctl_net_decnet.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c index be3eb8e23288..28f8b5e5f73b 100644 --- a/net/decnet/sysctl_net_decnet.c +++ b/net/decnet/sysctl_net_decnet.c @@ -38,7 +38,7 @@ int decnet_log_martians = 1; int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW; /* Reasonable defaults, I hope, based on tcp's defaults */ -int sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 }; +long sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 }; int sysctl_decnet_wmem[3] = { 4 * 1024, 16 * 1024, 128 * 1024 }; int sysctl_decnet_rmem[3] = { 4 * 1024, 87380, 87380 * 2 }; @@ -324,7 +324,7 @@ static ctl_table dn_table[] = { .data = &sysctl_decnet_mem, .maxlen = sizeof(sysctl_decnet_mem), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = proc_doulongvec_minmax }, { .procname = "decnet_rmem", |