linux-kernel - [PATCH] x86: mm: remove unused variable

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Message-Id: <20181210205309.2794444-1-arnd@arndb.de>
Date:   Mon, 10 Dec 2018 21:53:02 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org
Cc:     Oscar Salvador <osalvador@...e.com>, Arnd Bergmann <arnd@...db.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Stefan Agner <stefan@...er.ch>, linux-kernel@...r.kernel.org
Subject: [PATCH] x86: mm: remove unused variable

A recent change dropped the only user of the variable, which should
now be removed as well to avoid this warning:

arch/x86/mm/init_32.c: In function 'arch_remove_memory':
arch/x86/mm/init_32.c:867:15: error: unused variable 'zone' [-Werror=unused-variable]

Fixes: dd99d07f818b ("mm, memory_hotplug: move zone/pages handling to offline stage")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/x86/mm/init_32.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 0b8c7b0033d2..c75c26497c4f 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -864,7 +864,6 @@ int arch_remove_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap)
 {
 	unsigned long start_pfn = start >> PAGE_SHIFT;
 	unsigned long nr_pages = size >> PAGE_SHIFT;
-	struct zone *zone;
 
 	return remove_sections(nid, start_pfn, nr_pages, altmap);
 }
-- 
2.20.0