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authorIngo Molnar <mingo@kernel.org>2024-02-26 14:07:31 +0300
committerIngo Molnar <mingo@kernel.org>2024-02-27 12:05:41 +0300
commit3c2f8859ae1ce53f2a89c8e4ca4092101afbff67 (patch)
tree57ef089b56a1312bbddbdebd2cd2f3c5033a0386
parent4c8a49854130da0117a0fdb858551824919a2389 (diff)
downloadlinux-3c2f8859ae1ce53f2a89c8e4ca4092101afbff67.tar.xz
smp: Provide 'setup_max_cpus' definition on UP too
This was already defined locally by init/main.c, but let's make it generic, as arch/x86/kernel/cpu/topology.c is going to make use of it to have more uniform code. Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--include/linux/smp.h2
-rw-r--r--init/main.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h
index e87520dc2959..7a83fd2fccbe 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -218,6 +218,8 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
static inline void kick_all_cpus_sync(void) { }
static inline void wake_up_all_idle_cpus(void) { }
+#define setup_max_cpus 0
+
#ifdef CONFIG_UP_LATE_INIT
extern void __init up_late_init(void);
static inline void smp_init(void) { up_late_init(); }
diff --git a/init/main.c b/init/main.c
index e24b0780fdff..5644bb133fb4 100644
--- a/init/main.c
+++ b/init/main.c
@@ -603,7 +603,6 @@ static int __init rdinit_setup(char *str)
__setup("rdinit=", rdinit_setup);
#ifndef CONFIG_SMP
-static const unsigned int setup_max_cpus = NR_CPUS;
static inline void setup_nr_cpu_ids(void) { }
static inline void smp_prepare_cpus(unsigned int maxcpus) { }
#endif