linux-kernel - [PATCH] x86/mm: Remove unused cpu variable

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Date:   Tue, 29 Jan 2019 15:36:57 +0800
From:   Shaokun Zhang <zhangshaokun@...ilicon.com>
To:     <x86@...nel.org>, <linux-kernel@...r.kernel.org>
CC:     Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH] x86/mm: Remove unused cpu variable

cpu variable is never used after commit <a2055abe9c67> ("x86/mm: Pass
flush_tlb_info to flush_tlb_others() etc"), so remove it.

Cc: Andy Lutomirski <luto@...nel.org>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@...ilicon.com>
---
 arch/x86/mm/tlb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 999d6d8f0bef..bc4bc7b2f075 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -685,9 +685,6 @@ void native_flush_tlb_others(const struct cpumask *cpumask,
 		 * that UV should be updated so that smp_call_function_many(),
 		 * etc, are optimal on UV.
 		 */
-		unsigned int cpu;
-
-		cpu = smp_processor_id();
 		cpumask = uv_flush_tlb_others(cpumask, info);
 		if (cpumask)
 			smp_call_function_many(cpumask, flush_tlb_func_remote,
-- 
2.7.4