linux-kernel - [PATCH linux-next] arch/x86/mm: sparse 'tlb_single_page_flush

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Message-Id: <1407482671-23856-1-git-send-email-jmmahler@gmail.com>
Date:	Fri,  8 Aug 2014 00:24:31 -0700
From:	Jeremiah Mahler <jmmahler@...il.com>
To:	Dave Hansen <dave.hansen@...ux.intel.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jeremiah Mahler <jmmahler@...il.com>
Subject: [PATCH linux-next] arch/x86/mm: sparse 'tlb_single_page_flush_ceiling' warning

A sparse warning is generated about 'tlb_single_page_flush_ceiling'
not being declared.

  arch/x86/mm/tlb.c:177:15: warning: symbol
  'tlb_single_page_flush_ceiling' was not declared. Should it be static?

Since it isn't used anywhere outside this file, fix the warning by
making it static.

Signed-off-by: Jeremiah Mahler <jmmahler@...il.com>
---
 arch/x86/mm/tlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 1fe3398..fff4a4c 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -174,7 +174,7 @@ void flush_tlb_current_task(void)
  *
  * This is in units of pages.
  */
-unsigned long tlb_single_page_flush_ceiling = 33;
+static unsigned long tlb_single_page_flush_ceiling = 33;
 
 void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
 				unsigned long end, unsigned long vmflag)
-- 
2.1.0.rc1

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