linux-kernel - [PATCH] powerpc/mem: Add back missing header to fix 'no previous prototype' error

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Date:   Sat,  5 Jun 2021 08:56:09 +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] powerpc/mem: Add back missing header to fix 'no previous
 prototype' error

Commit b26e8f27253a ("powerpc/mem: Move cache flushing functions into
mm/cacheflush.c") removed asm/sparsemem.h which is required when
CONFIG_MEMORY_HOTPLUG is selected to get the declaration of
create_section_mapping().

Add it back.

Fixes: b26e8f27253a ("powerpc/mem: Move cache flushing functions into mm/cacheflush.c")
Cc: stable@...r.kernel.org
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/mm/mem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 043bbeaf407c..a6b36a40897a 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -20,6 +20,7 @@
 #include <asm/machdep.h>
 #include <asm/rtas.h>
 #include <asm/kasan.h>
+#include <asm/sparsemem.h>
 #include <asm/svm.h>
 
 #include <mm/mmu_decl.h>
-- 
2.25.0