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https://gitee.com/bianbu-linux/linux-6.6
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29d26f1215
Current best practice is to reuse the name of the function as a define to indicate that the function is implemented by the architecture. Link: https://lkml.kernel.org/r/20230802151406.3735276-6-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
20 lines
454 B
C
20 lines
454 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_CACHEFLUSH_H
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#define _LINUX_CACHEFLUSH_H
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#include <asm/cacheflush.h>
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struct folio;
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#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
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#ifndef flush_dcache_folio
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void flush_dcache_folio(struct folio *folio);
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#endif
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#else
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static inline void flush_dcache_folio(struct folio *folio)
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{
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}
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#define flush_dcache_folio flush_dcache_folio
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#endif /* ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE */
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#endif /* _LINUX_CACHEFLUSH_H */
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