net: increase optmem_max default value

[linux-2.6-microblaze.git] / net / core / sock.c

diff --git a/net/core/sock.c b/net/core/sock.c
index fef349d..08ecdc6 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -283,8 +283,10 @@ EXPORT_SYMBOL(sysctl_rmem_max);
 __u32 sysctl_wmem_default __read_mostly = SK_WMEM_MAX;
 __u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX;
 
-/* Maximal space eaten by iovec or ancillary data plus some space */
-int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512);
+/* Limits per socket sk_omem_alloc usage.
+ * TCP zerocopy regular usage needs 128 KB.
+ */
+int sysctl_optmem_max __read_mostly = 128 * 1024;
 EXPORT_SYMBOL(sysctl_optmem_max);
 
 int sysctl_tstamp_allow_data __read_mostly = 1;