linux-kernel - [PATCH 1/4] m68knommu: use asm-generic/mmu.h for nommu setups

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Message-Id: <20220428033319.239341-2-gerg@linux-m68k.org>
Date:   Thu, 28 Apr 2022 13:33:16 +1000
From:   Greg Ungerer <gerg@...ux-m68k.org>
To:     linux-m68k@...r.kernel.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org, dalias@...c.org,
        Greg Ungerer <gerg@...ux-m68k.org>
Subject: [PATCH 1/4] m68knommu: use asm-generic/mmu.h for nommu setups

The nommu case defines its own local mm_context_t structure. There is
nothing special or different about the m68knommu version of this and it
can easily use the common asm-generic version.

Remove the local mmu_context struct and include the asm-generic version
instead. This will also make it easier to support ELF format executables
in the future (since the asm-generic version has support for this
already).

Signed-off-by: Greg Ungerer <gerg@...ux-m68k.org>
---
 arch/m68k/include/asm/mmu.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/m68k/include/asm/mmu.h b/arch/m68k/include/asm/mmu.h
index 5c15aacb1370..e00672425b00 100644
--- a/arch/m68k/include/asm/mmu.h
+++ b/arch/m68k/include/asm/mmu.h
@@ -6,9 +6,7 @@
 /* Default "unsigned long" context */
 typedef unsigned long mm_context_t;
 #else
-typedef struct {
-	unsigned long		end_brk;
-} mm_context_t;
+#include <asm-generic/mmu.h>
 #endif

 #endif
-- 
2.25.1