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sh: move the ARCH_DMA_MINALIGN definition to asm/cache.h
The sh 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. Link: https://lkml.kernel.org/r/20230613155245.1228274-4-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: kernel test robot <lkp@intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -14,6 +14,12 @@
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#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
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/*
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* Some drivers need to perform DMA into kmalloc'ed buffers
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* and so we have to increase the kmalloc minalign for this.
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*/
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#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
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#define __read_mostly __section(".data..read_mostly")
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#ifndef __ASSEMBLY__
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@ -174,10 +174,4 @@ typedef struct page *pgtable_t;
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#include <asm-generic/memory_model.h>
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#include <asm-generic/getorder.h>
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/*
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* Some drivers need to perform DMA into kmalloc'ed buffers
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* and so we have to increase the kmalloc minalign for this.
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*/
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#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
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#endif /* __ASM_SH_PAGE_H */
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