linux-kernel - [PATCH 2/3] microblaze: Move the ARCH_{DMA,SLAB}

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Date:   Tue, 13 Jun 2023 16:52:44 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michal Simek <monstr@...str.eu>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] microblaze: Move the ARCH_{DMA,SLAB}_MINALIGN definitions to asm/cache.h

The microblaze architecture defines ARCH_DMA_MINALIGN in asm/page.h.
Move it to asm/cache.h to allow a generic ARCH_DMA_MINALIGN definition
in linux/cache.h without redefine errors/warnings.

While at it, also move ARCH_SLAB_MINALIGN to asm/cache.h for
consistency.

Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Cc: Michal Simek <monstr@...str.eu>
---
 arch/microblaze/include/asm/cache.h | 5 +++++
 arch/microblaze/include/asm/page.h  | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
index a149b3e711ec..1903988b9e23 100644
--- a/arch/microblaze/include/asm/cache.h
+++ b/arch/microblaze/include/asm/cache.h
@@ -18,4 +18,9 @@
 
 #define SMP_CACHE_BYTES	L1_CACHE_BYTES
 
+/* MS be sure that SLAB allocates aligned objects */
+#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
+
+#define ARCH_SLAB_MINALIGN	L1_CACHE_BYTES
+
 #endif /* _ASM_MICROBLAZE_CACHE_H */
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 7b9861bcd458..337f23eabc71 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -30,11 +30,6 @@
 
 #ifndef __ASSEMBLY__
 
-/* MS be sure that SLAB allocates aligned objects */
-#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
-
-#define ARCH_SLAB_MINALIGN	L1_CACHE_BYTES
-
 /*
  * PAGE_OFFSET -- the first address of the first page of memory. With MMU
  * it is set to the kernel start address (aligned on a page boundary).