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Diffstat (limited to 'arch/ia64/include/asm/cacheflush.h')
-rw-r--r-- | arch/ia64/include/asm/cacheflush.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h new file mode 100644 index 0000000000..eac493fa9e --- /dev/null +++ b/arch/ia64/include/asm/cacheflush.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_IA64_CACHEFLUSH_H +#define _ASM_IA64_CACHEFLUSH_H + +/* + * Copyright (C) 2002 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + */ + +#include <linux/page-flags.h> +#include <linux/bitops.h> + +#include <asm/page.h> + +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 +static inline void flush_dcache_folio(struct folio *folio) +{ + clear_bit(PG_arch_1, &folio->flags); +} +#define flush_dcache_folio flush_dcache_folio + +static inline void flush_dcache_page(struct page *page) +{ + flush_dcache_folio(page_folio(page)); +} + +extern void flush_icache_range(unsigned long start, unsigned long end); +#define flush_icache_range flush_icache_range +extern void clflush_cache_range(void *addr, int size); + +#define flush_icache_user_page(vma, page, user_addr, len) \ +do { \ + unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK); \ + flush_icache_range(_addr, _addr + (len)); \ +} while (0) + +#include <asm-generic/cacheflush.h> + +#endif /* _ASM_IA64_CACHEFLUSH_H */ |