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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 18:13:39 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-25 02:20:20 +0300 |
| commit | e724e7aaf9ca794670a4d4931af7a7e24e37fec3 (patch) | |
| tree | 5ca7a1d16815af39263ddb30a51ae70a4308110b /arch/csky/abiv2/inc/abi | |
| parent | 4a169d61c2ede9fdf27103e1f454d4a0401d9025 (diff) | |
| download | linux-e724e7aaf9ca794670a4d4931af7a7e24e37fec3.tar.xz | |
csky: implement the new page table range API
Add PFN_PTE_SHIFT, update_mmu_cache_range() and flush_dcache_folio().
Change the PG_dcache_clean flag from being per-page to per-folio.
Link: https://lkml.kernel.org/r/20230802151406.3735276-12-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Guo Ren <guoren@kernel.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/csky/abiv2/inc/abi')
| -rw-r--r-- | arch/csky/abiv2/inc/abi/cacheflush.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/csky/abiv2/inc/abi/cacheflush.h b/arch/csky/abiv2/inc/abi/cacheflush.h index a565e00c3f70..9c728933a776 100644 --- a/arch/csky/abiv2/inc/abi/cacheflush.h +++ b/arch/csky/abiv2/inc/abi/cacheflush.h @@ -18,11 +18,17 @@ #define PG_dcache_clean PG_arch_1 +static inline void flush_dcache_folio(struct folio *folio) +{ + if (test_bit(PG_dcache_clean, &folio->flags)) + clear_bit(PG_dcache_clean, &folio->flags); +} +#define flush_dcache_folio flush_dcache_folio + #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 static inline void flush_dcache_page(struct page *page) { - if (test_bit(PG_dcache_clean, &page->flags)) - clear_bit(PG_dcache_clean, &page->flags); + flush_dcache_folio(page_folio(page)); } #define flush_dcache_mmap_lock(mapping) do { } while (0) |