apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

net: avoid limits overflow

Browse Source 
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>
This commit is contained in:
Eric Dumazet
2010-11-09 23:24:26 +00:00
committed by David S. Miller
parent 67286640f6
commit 8d987e5c75
15 changed files with 40 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files
net/decnet/af_decnet.c
+1 -1
View File
@@ -155,7 +155,7 @@ static const struct proto_ops dn_proto_ops;
static DEFINE_RWLOCK(dn_hash_lock);
static struct hlist_head dn_sk_hash[DN_SK_HASH_SIZE];
static struct hlist_head dn_wild_sk;
static atomic_t decnet_memory_allocated;
static atomic_long_t decnet_memory_allocated;
static int __dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen, int flags);
static int __dn_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen, int flags);
net/decnet/sysctl_net_decnet.c
+2 -2
View File
@@ -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",