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authorEric Dumazet <eric.dumazet@gmail.com>2010-11-09 18:24:26 -0500
committerDavid S. Miller <davem@davemloft.net>2010-11-10 15:12:00 -0500
commit8d987e5c75107ca7515fa19e857cfa24aab6ec8f (patch)
tree6392c5f08f0df39d42a079336f6be3960ac404dc /net/sctp/sysctl.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/sysctl.c')
-rw-r--r--net/sctp/sysctl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 832590bbe0c0..50cb57f0919e 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -54,7 +54,7 @@ static int sack_timer_max = 500;
54static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */ 54static int addr_scope_max = 3; /* check sctp_scope_policy_t in include/net/sctp/constants.h for max entries */
55static int rwnd_scale_max = 16; 55static int rwnd_scale_max = 16;
56 56
57extern int sysctl_sctp_mem[3]; 57extern long sysctl_sctp_mem[3];
58extern int sysctl_sctp_rmem[3]; 58extern int sysctl_sctp_rmem[3];
59extern int sysctl_sctp_wmem[3]; 59extern int sysctl_sctp_wmem[3];
60 60
@@ -203,7 +203,7 @@ static ctl_table sctp_table[] = {
203 .data = &sysctl_sctp_mem, 203 .data = &sysctl_sctp_mem,
204 .maxlen = sizeof(sysctl_sctp_mem), 204 .maxlen = sizeof(sysctl_sctp_mem),
205 .mode = 0644, 205 .mode = 0644,
206 .proc_handler = proc_dointvec, 206 .proc_handler = proc_doulongvec_minmax
207 }, 207 },
208 { 208 {
209 .procname = "sctp_rmem", 209 .procname = "sctp_rmem",