[PATCH 2/5] net/rds/ib_sysctl.c: move sysctl-only code under CONFIG_SYSCTL
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WARM1d
From: Oleg Nesterov <oleg@redhat.com>
Date: 2026-10-24 15:41:12
Also in:
linux-rdma
Subsystem:
networking [general], rds - reliable datagram sockets, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Allison Henderson, Linus Torvalds
Collect all code used only when CONFIG_SYSCTL=y into a single block and wrap it in #ifdef CONFIG_SYSCTL. rds_ib_sysctl_init() no longer needs the IS_ENABLED() check. Add the corresponding init/exit stubs for the CONFIG_SYSCTL=n case. Signed-off-by: Oleg Nesterov <oleg@redhat.com> --- net/rds/ib_sysctl.c | 33 +++++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 10 deletions(-)
diff --git a/net/rds/ib_sysctl.c b/net/rds/ib_sysctl.c
index bc97a3eecad6..0b336ff03ae9 100644
--- a/net/rds/ib_sysctl.c
+++ b/net/rds/ib_sysctl.c@@ -36,19 +36,10 @@ #include "ib.h" -static struct ctl_table_header *rds_ib_sysctl_hdr; - unsigned long rds_ib_sysctl_max_send_wr = RDS_IB_DEFAULT_SEND_WR; unsigned long rds_ib_sysctl_max_recv_wr = RDS_IB_DEFAULT_RECV_WR; unsigned long rds_ib_sysctl_max_recv_allocation = (128 * 1024 * 1024) / RDS_FRAG_SIZE; -static unsigned long rds_ib_sysctl_max_wr_min = 1; -/* hardware will fail CQ creation long before this */ -static unsigned long rds_ib_sysctl_max_wr_max = (u32)~0; - unsigned long rds_ib_sysctl_max_unsig_wrs = 16; -static unsigned long rds_ib_sysctl_max_unsig_wr_min = 1; -static unsigned long rds_ib_sysctl_max_unsig_wr_max = 64; - /* * This sysctl does nothing. *
@@ -61,6 +52,14 @@ static unsigned long rds_ib_sysctl_max_unsig_wr_max = 64; */ unsigned int rds_ib_sysctl_flow_control = 0; +#ifdef CONFIG_SYSCTL +static unsigned long rds_ib_sysctl_max_wr_min = 1; +/* hardware will fail CQ creation long before this */ +static unsigned long rds_ib_sysctl_max_wr_max = (u32)~0; + +static unsigned long rds_ib_sysctl_max_unsig_wr_min = 1; +static unsigned long rds_ib_sysctl_max_unsig_wr_max = 64; + static struct ctl_table rds_ib_sysctl_table[] = { { .procname = "max_send_wr",
@@ -105,6 +104,8 @@ static struct ctl_table rds_ib_sysctl_table[] = { }, }; +static struct ctl_table_header *rds_ib_sysctl_hdr; + void rds_ib_sysctl_exit(void) { if (rds_ib_sysctl_hdr)
@@ -114,7 +115,19 @@ void rds_ib_sysctl_exit(void) int rds_ib_sysctl_init(void) { rds_ib_sysctl_hdr = register_net_sysctl(&init_net, "net/rds/ib", rds_ib_sysctl_table); - if (!rds_ib_sysctl_hdr && IS_ENABLED(CONFIG_SYSCTL)) + if (!rds_ib_sysctl_hdr) return -ENOMEM; return 0; } + +#else + +int rds_ib_sysctl_init(void) +{ + return 0; +} + +void rds_ib_sysctl_exit(void) +{ +} +#endif
--
2.55.0