From: Eric Dumazet <eduma...@google.com>

After commit ca065d0cf80f ("udp: no longer use SLAB_DESTROY_BY_RCU")
we do not need this special allocation mode anymore, even if it is
harmless.

Signed-off-by: Eric Dumazet <eduma...@google.com>
---
Note that sk_prot_clear_portaddr_nulls() is no longer needed,
but I will send a separate patch targeting net-next.

 net/ipv4/udp.c     |    1 -
 net/ipv4/udplite.c |    1 -
 net/ipv6/udp.c     |    1 -
 net/ipv6/udplite.c |    1 -
 4 files changed, 4 deletions(-)

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 
8f5f7f6026f7fd8d157a2855334bf9cdf453cdee..f4b0d74a56973164ef3de8e9f15c9968a439f83b
 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2217,7 +2217,6 @@ struct proto udp_prot = {
        .sysctl_wmem       = &sysctl_udp_wmem_min,
        .sysctl_rmem       = &sysctl_udp_rmem_min,
        .obj_size          = sizeof(struct udp_sock),
-       .slab_flags        = SLAB_DESTROY_BY_RCU,
        .h.udp_table       = &udp_table,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_udp_setsockopt,
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index 
3b3efbda48e13941b35388238508706844c043aa..2eea073e27efa13a86d6c6107426435ae7ddb18d
 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -55,7 +55,6 @@ struct proto  udplite_prot = {
        .unhash            = udp_lib_unhash,
        .get_port          = udp_v4_get_port,
        .obj_size          = sizeof(struct udp_sock),
-       .slab_flags        = SLAB_DESTROY_BY_RCU,
        .h.udp_table       = &udplite_table,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_udp_setsockopt,
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 
81e2f98b958d4d42d137a4ae2d71c4c7217c71d6..19ac3a1c308dbfacf136e262dbab27ad280cfdcd
 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1460,7 +1460,6 @@ struct proto udpv6_prot = {
        .sysctl_wmem       = &sysctl_udp_wmem_min,
        .sysctl_rmem       = &sysctl_udp_rmem_min,
        .obj_size          = sizeof(struct udp6_sock),
-       .slab_flags        = SLAB_DESTROY_BY_RCU,
        .h.udp_table       = &udp_table,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_udpv6_setsockopt,
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 
9cf097e206e931c6e3c184f22b8adcabedc4c03a..fd6ef414899bea824ce26c2e738f4e96aa8af464
 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -50,7 +50,6 @@ struct proto udplitev6_prot = {
        .unhash            = udp_lib_unhash,
        .get_port          = udp_v6_get_port,
        .obj_size          = sizeof(struct udp6_sock),
-       .slab_flags        = SLAB_DESTROY_BY_RCU,
        .h.udp_table       = &udplite_table,
 #ifdef CONFIG_COMPAT
        .compat_setsockopt = compat_udpv6_setsockopt,


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