linux-kernel - [PATCH] sparc: cacheflush

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Date:   Fri,  8 Apr 2022 23:02:15 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        sparclinux@...r.kernel.org
Subject: [PATCH] sparc: cacheflush_32.h needs <linux/mm.h>

Add <linux/mm.h> to cacheflush_32.h just as in cacheflush_64.h.
Fixes this build warning:

  CC      drivers/crypto/xilinx/zynqmp-sha.o
In file included from ../arch/sparc/include/asm/cacheflush.h:11,
                 from ../include/linux/cacheflush.h:5,
                 from ../drivers/crypto/xilinx/zynqmp-sha.c:6:
../arch/sparc/include/asm/cacheflush_32.h:38:37: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
   38 | void sparc_flush_page_to_ram(struct page *page);

Exposed by commit 0e03b8fd2936
("crypto: xilinx - Turn SHA into a tristate and allow COMPILE_TEST")
but not Fixes: that commit.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: kernel test robot <lkp@...el.com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: David S. Miller <davem@...emloft.net>
Cc: sparclinux@...r.kernel.org
---
 arch/sparc/include/asm/cacheflush_32.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -2,6 +2,8 @@
 #ifndef _SPARC_CACHEFLUSH_H
 #define _SPARC_CACHEFLUSH_H
 
+#include <linux/mm.h>
+
 #include <asm/cachetlb_32.h>
 
 #define flush_cache_all() \