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| author | Catalin Marinas <catalin.marinas@arm.com> | 2023-06-13 16:52:45 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-19 16:19:24 -0700 |
| commit | e6926a4d1c9bfe12814c7c81acd57346285cd7ba (patch) | |
| tree | f00f91ad8a71828f17c7bc350be462430df5c804 /arch | |
| parent | 4ea57ce42886adb0129605f23a0cf0809271a524 (diff) | |
| download | lwn-e6926a4d1c9bfe12814c7c81acd57346285cd7ba.tar.gz lwn-e6926a4d1c9bfe12814c7c81acd57346285cd7ba.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/include/asm/cache.h | 6 | ||||
| -rw-r--r-- | arch/sh/include/asm/page.h | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h index 32dfa6b82ec6..b38dbc975581 100644 --- a/arch/sh/include/asm/cache.h +++ b/arch/sh/include/asm/cache.h @@ -14,6 +14,12 @@ #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +/* + * Some drivers need to perform DMA into kmalloc'ed buffers + * and so we have to increase the kmalloc minalign for this. + */ +#define ARCH_DMA_MINALIGN L1_CACHE_BYTES + #define __read_mostly __section(".data..read_mostly") #ifndef __ASSEMBLY__ diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index 09ac6c7faee0..62f4b9edcb98 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -174,10 +174,4 @@ typedef struct page *pgtable_t; #include <asm-generic/memory_model.h> #include <asm-generic/getorder.h> -/* - * Some drivers need to perform DMA into kmalloc'ed buffers - * and so we have to increase the kmalloc minalign for this. - */ -#define ARCH_DMA_MINALIGN L1_CACHE_BYTES - #endif /* __ASM_SH_PAGE_H */ |