linux-kernel - [PATCH v1 1/8] powerpc/mem: Declare __flush_dcache

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Date:   Wed,  7 Apr 2021 17:22:34 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v1 1/8] powerpc/mem: Declare __flush_dcache_icache() static

__flush_dcache_icache() is only used in mem.c.

Declare it static.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/cacheflush.h | 1 -
 arch/powerpc/mm/mem.c                 | 4 +++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h
index f63495109f63..9110489ea411 100644
--- a/arch/powerpc/include/asm/cacheflush.h
+++ b/arch/powerpc/include/asm/cacheflush.h
@@ -40,7 +40,6 @@ void flush_icache_user_page(struct vm_area_struct *vma, struct page *page,
 #define flush_icache_user_page flush_icache_user_page
 
 void flush_dcache_icache_page(struct page *page);
-void __flush_dcache_icache(void *page);
 
 /**
  * flush_dcache_range(): Write any modified data cache blocks out to memory and
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 7a59a5c9aa5d..ce6c81ce4362 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -472,6 +472,8 @@ void flush_dcache_page(struct page *page)
 }
 EXPORT_SYMBOL(flush_dcache_page);
 
+static void __flush_dcache_icache(void *p);
+
 static void flush_dcache_icache_hugepage(struct page *page)
 {
 	int i;
@@ -522,7 +524,7 @@ EXPORT_SYMBOL(flush_dcache_icache_page);
  *
  * @page: the address of the page to flush
  */
-void __flush_dcache_icache(void *p)
+static void __flush_dcache_icache(void *p)
 {
 	unsigned long addr = (unsigned long)p;
 
-- 
2.25.0