linux-kernel - [PATCH 1/2] um: Remove unused ncpus variable

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Date: Mon, 27 May 2024 21:40:23 +0800
From: "Tiwei Bie" <tiwei.btw@...group.com>
To: richard@....at,
	anton.ivanov@...bridgegreys.com,
	johannes@...solutions.net
Cc:  <linux-um@...ts.infradead.org>,
   <linux-kernel@...r.kernel.org>,
  "Tiwei Bie" <tiwei.btw@...group.com>
Subject: [PATCH 1/2] um: Remove unused ncpus variable

It's no longer used. And uml_ncpus_setup doesn't exist anymore.

Signed-off-by: Tiwei Bie <tiwei.btw@...group.com>
---
 arch/um/include/shared/kern_util.h | 1 -
 arch/um/kernel/um_arch.c           | 3 ---
 2 files changed, 4 deletions(-)

diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h
index 95521b1f5b20..d8ffd2db168e 100644
--- a/arch/um/include/shared/kern_util.h
+++ b/arch/um/include/shared/kern_util.h
@@ -13,7 +13,6 @@ struct siginfo;
 
 extern int uml_exitcode;
 
-extern int ncpus;
 extern int kmalloc_ok;
 
 #define UML_ROUND_UP(addr) \
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index e95f805e5004..8e594cda6d77 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -126,9 +126,6 @@ unsigned long uml_reserved; /* Also modified in mem_init */
 unsigned long start_vm;
 unsigned long end_vm;
 
-/* Set in uml_ncpus_setup */
-int ncpus = 1;
-
 /* Set in early boot */
 static int have_root __initdata;
 static int have_console __initdata;
-- 
2.34.1