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-rw-r--r--init/Kconfig10
-rw-r--r--init/main.c2
2 files changed, 2 insertions, 10 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 2184b34cbf73..bb9b4dd55889 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -538,15 +538,6 @@ config RCU_STALL_COMMON
config CONTEXT_TRACKING
bool
-config RCU_USER_QS
- bool
- help
- This option sets hooks on kernel / userspace boundaries and
- puts RCU in extended quiescent state when the CPU runs in
- userspace. It means that when a CPU runs in userspace, it is
- excluded from the global RCU state machine and thus doesn't
- try to keep the timer tick on for RCU.
-
config CONTEXT_TRACKING_FORCE
bool "Force context tracking"
depends on CONTEXT_TRACKING
@@ -707,6 +698,7 @@ config RCU_BOOST_DELAY
config RCU_NOCB_CPU
bool "Offload RCU callback processing from boot-selected CPUs"
depends on TREE_RCU || PREEMPT_RCU
+ depends on RCU_EXPERT || NO_HZ_FULL
default n
help
Use this option to reduce OS jitter for aggressive HPC or
diff --git a/init/main.c b/init/main.c
index c5d5626289ce..56506553d4d8 100644
--- a/init/main.c
+++ b/init/main.c
@@ -656,7 +656,7 @@ asmlinkage __visible void __init start_kernel(void)
key_init();
security_init();
dbg_late_init();
- vfs_caches_init(totalram_pages);
+ vfs_caches_init();
signals_init();
/* rootfs populating might need page-writeback */
page_writeback_init();