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- From 3b6115d6b57a263bdc8c9b1df273bd4a7955eead Mon Sep 17 00:00:00 2001
- From: Felix Fietkau <[email protected]>
- Date: Sat, 8 Jul 2017 08:16:31 +0200
- Subject: debloat: add some debloat patches, strip down procfs and make O_DIRECT support optional, saves ~15K after lzma on MIPS
- Signed-off-by: Felix Fietkau <[email protected]>
- ---
- net/Kconfig | 3 +++
- net/core/Makefile | 3 ++-
- net/core/sock.c | 2 ++
- net/ipv4/Kconfig | 1 +
- net/netlink/Kconfig | 1 +
- net/packet/Kconfig | 1 +
- net/unix/Kconfig | 1 +
- 7 files changed, 11 insertions(+), 1 deletion(-)
- --- a/net/Kconfig
- +++ b/net/Kconfig
- @@ -95,6 +95,9 @@ source "net/netlabel/Kconfig"
-
- endif # if INET
-
- +config SOCK_DIAG
- + bool
- +
- config NETWORK_SECMARK
- bool "Security Marking"
- help
- --- a/net/core/Makefile
- +++ b/net/core/Makefile
- @@ -9,8 +9,9 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core.
-
- obj-y += dev.o ethtool.o dev_addr_lists.o dst.o netevent.o \
- neighbour.o rtnetlink.o utils.o link_watch.o filter.o \
- - sock_diag.o dev_ioctl.o tso.o sock_reuseport.o
- + dev_ioctl.o tso.o sock_reuseport.o
-
- +obj-$(CONFIG_SOCK_DIAG) += sock_diag.o
- obj-$(CONFIG_XFRM) += flow.o
- obj-y += net-sysfs.o
- obj-$(CONFIG_PROC_FS) += net-procfs.o
- --- a/net/core/sock.c
- +++ b/net/core/sock.c
- @@ -1457,9 +1457,11 @@ void sk_destruct(struct sock *sk)
-
- static void __sk_free(struct sock *sk)
- {
- +#ifdef CONFIG_SOCK_DIAG
- if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk)))
- sock_diag_broadcast_destroy(sk);
- else
- +#endif
- sk_destruct(sk);
- }
-
- --- a/net/ipv4/Kconfig
- +++ b/net/ipv4/Kconfig
- @@ -408,6 +408,7 @@ config INET_XFRM_MODE_BEET
-
- config INET_DIAG
- tristate "INET: socket monitoring interface"
- + select SOCK_DIAG
- default y
- ---help---
- Support for INET (TCP, DCCP, etc) socket monitoring interface used by
- --- a/net/netlink/Kconfig
- +++ b/net/netlink/Kconfig
- @@ -4,6 +4,7 @@
-
- config NETLINK_DIAG
- tristate "NETLINK: socket monitoring interface"
- + select SOCK_DIAG
- default n
- ---help---
- Support for NETLINK socket monitoring interface used by the ss tool.
- --- a/net/packet/Kconfig
- +++ b/net/packet/Kconfig
- @@ -18,6 +18,7 @@ config PACKET
- config PACKET_DIAG
- tristate "Packet: sockets monitoring interface"
- depends on PACKET
- + select SOCK_DIAG
- default n
- ---help---
- Support for PF_PACKET sockets monitoring interface used by the ss tool.
- --- a/net/unix/Kconfig
- +++ b/net/unix/Kconfig
- @@ -22,6 +22,7 @@ config UNIX
- config UNIX_DIAG
- tristate "UNIX: socket monitoring interface"
- depends on UNIX
- + select SOCK_DIAG
- default n
- ---help---
- Support for UNIX socket monitoring interface used by the ss tool.
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