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-rw-r--r--lib/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 3ea8941ab18d..d628235f7934 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -531,6 +531,15 @@ config CPUMASK_OFFSTACK
them on the stack. This is a bit more expensive, but avoids
stack overflow.
+config FORCE_NR_CPUS
+ bool "NR_CPUS is set to an actual number of CPUs"
+ depends on SMP
+ help
+ Say Yes if you have NR_CPUS set to an actual number of possible
+ CPUs in your system, not to a default value. This forces the core
+ code to rely on compile-time value and optimize kernel routines
+ better.
+
config CPU_RMAP
bool
depends on SMP