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From: Joerg Roedel <joro@8bytes.org>
To: x86@kernel.org
Cc: hpa@zytor.com, Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	joro@8bytes.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, Joerg Roedel <jroedel@suse.de>
Subject: [PATCH v2 3/3] x86/mm/64: Make sync_global_pgds() static
Date: Wed,  1 Jul 2020 10:38:38 +0200
Message-ID: <20200701083839.19193-4-joro@8bytes.org> (raw)
In-Reply-To: <20200701083839.19193-1-joro@8bytes.org>

From: Joerg Roedel <jroedel@suse.de>

The function is only called from within init_64.c by now and can be
static. Also remove it from pgtable_64.h.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 arch/x86/include/asm/pgtable_64.h | 2 --
 arch/x86/mm/init_64.c             | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 1b68d24dc6a0..95ac911b1a30 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -168,8 +168,6 @@ static inline void native_pgd_clear(pgd_t *pgd)
 	native_set_pgd(pgd, native_make_pgd(0));
 }
 
-extern void sync_global_pgds(unsigned long start, unsigned long end);
-
 /*
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index e0cd2dfd333d..e65b96f381a7 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -209,7 +209,7 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end)
  * When memory was added make sure all the processes MM have
  * suitable PGD entries in the local PGD level page.
  */
-void sync_global_pgds(unsigned long start, unsigned long end)
+static void sync_global_pgds(unsigned long start, unsigned long end)
 {
 	if (pgtable_l5_enabled())
 		sync_global_pgds_l5(start, end);
-- 
2.17.1



      parent reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  8:38 [PATCH v2 0/3] x86/mm/64: Remove vmalloc/ioremap pgtable synchronization Joerg Roedel
2020-07-01  8:38 ` [PATCH v2 1/3] x86/mm/64: Pre-allocate p4d/pud pages for vmalloc area Joerg Roedel
2020-07-01  8:38 ` [PATCH v2 2/3] x86/mm/64: Do not sync vmalloc/ioremap mappings Joerg Roedel
2020-07-01  8:38 ` Joerg Roedel [this message]

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