diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 16:13:41 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-24 16:20:21 -0700 |
| commit | 876397837d582ce72f977ac3e635ce74eebcecc9 (patch) | |
| tree | 8ff3ffd26f7f0396484873e81cdc95374c49a44f /arch/ia64/include/asm/cacheflush.h | |
| parent | 9ff633944165d11c53c088d9596db3da66e90396 (diff) | |
ia64: implement the new page table range API
Add PFN_PTE_SHIFT, update_mmu_cache_range() and flush_dcache_folio().
Change the PG_arch_1 (aka PG_dcache_clean) flag from being per-page to
per-folio, which makes arch_dma_mark_clean() and mark_clean() a little
more exciting.
[willy@infradead.org: fix folio_size() handling]
Link: https://lkml.kernel.org/r/ZNPlOCe8F+nrzPxr@casper.infradead.org
Link: https://lkml.kernel.org/r/20230802151406.3735276-14-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/ia64/include/asm/cacheflush.h')
| -rw-r--r-- | arch/ia64/include/asm/cacheflush.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h index 708c0fa5d975..eac493fa9e0d 100644 --- a/arch/ia64/include/asm/cacheflush.h +++ b/arch/ia64/include/asm/cacheflush.h @@ -13,10 +13,16 @@ #include <asm/page.h> #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 -#define flush_dcache_page(page) \ -do { \ - clear_bit(PG_arch_1, &(page)->flags); \ -} while (0) +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 |