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Diffstat (limited to 'net/ipv4/tcp_metrics.c')
-rw-r--r--net/ipv4/tcp_metrics.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 53bc5847bfa8..f696d7c2e9fa 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -1,7 +1,6 @@
1#include <linux/rcupdate.h> 1#include <linux/rcupdate.h>
2#include <linux/spinlock.h> 2#include <linux/spinlock.h>
3#include <linux/jiffies.h> 3#include <linux/jiffies.h>
4#include <linux/bootmem.h>
5#include <linux/module.h> 4#include <linux/module.h>
6#include <linux/cache.h> 5#include <linux/cache.h>
7#include <linux/slab.h> 6#include <linux/slab.h>
@@ -9,6 +8,7 @@
9#include <linux/tcp.h> 8#include <linux/tcp.h>
10#include <linux/hash.h> 9#include <linux/hash.h>
11#include <linux/tcp_metrics.h> 10#include <linux/tcp_metrics.h>
11#include <linux/vmalloc.h>
12 12
13#include <net/inet_connection_sock.h> 13#include <net/inet_connection_sock.h>
14#include <net/net_namespace.h> 14#include <net/net_namespace.h>
@@ -1034,7 +1034,10 @@ static int __net_init tcp_net_metrics_init(struct net *net)
1034 net->ipv4.tcp_metrics_hash_log = order_base_2(slots); 1034 net->ipv4.tcp_metrics_hash_log = order_base_2(slots);
1035 size = sizeof(struct tcpm_hash_bucket) << net->ipv4.tcp_metrics_hash_log; 1035 size = sizeof(struct tcpm_hash_bucket) << net->ipv4.tcp_metrics_hash_log;
1036 1036
1037 net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL); 1037 net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
1038 if (!net->ipv4.tcp_metrics_hash)
1039 net->ipv4.tcp_metrics_hash = vzalloc(size);
1040
1038 if (!net->ipv4.tcp_metrics_hash) 1041 if (!net->ipv4.tcp_metrics_hash)
1039 return -ENOMEM; 1042 return -ENOMEM;
1040 1043
@@ -1055,7 +1058,10 @@ static void __net_exit tcp_net_metrics_exit(struct net *net)
1055 tm = next; 1058 tm = next;
1056 } 1059 }
1057 } 1060 }
1058 kfree(net->ipv4.tcp_metrics_hash); 1061 if (is_vmalloc_addr(net->ipv4.tcp_metrics_hash))
1062 vfree(net->ipv4.tcp_metrics_hash);
1063 else
1064 kfree(net->ipv4.tcp_metrics_hash);
1059} 1065}
1060 1066
1061static __net_initdata struct pernet_operations tcp_net_metrics_ops = { 1067static __net_initdata struct pernet_operations tcp_net_metrics_ops = {