diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 18:13:47 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-25 02:20:22 +0300 |
| commit | 063e409dcc37a5834fe94342b3cbcfe17d094eed (patch) | |
| tree | ce9f11a3640abb9f07b11c07b7412d0e305286c0 /arch/openrisc/include/asm/cacheflush.h | |
| parent | 994209410919f2b84b7e4ab2e78785d9715308ad (diff) | |
| download | linux-063e409dcc37a5834fe94342b3cbcfe17d094eed.tar.xz | |
openrisc: 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_dirty) flag from being per-page to
per-folio.
Link: https://lkml.kernel.org/r/20230802151406.3735276-20-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Stafford Horne <shorne@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/openrisc/include/asm/cacheflush.h')
| -rw-r--r-- | arch/openrisc/include/asm/cacheflush.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/openrisc/include/asm/cacheflush.h b/arch/openrisc/include/asm/cacheflush.h index eeac40d4a854..984c331ff5f4 100644 --- a/arch/openrisc/include/asm/cacheflush.h +++ b/arch/openrisc/include/asm/cacheflush.h @@ -56,10 +56,16 @@ static inline void sync_icache_dcache(struct page *page) */ #define PG_dc_clean PG_arch_1 +static inline void flush_dcache_folio(struct folio *folio) +{ + clear_bit(PG_dc_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) { - clear_bit(PG_dc_clean, &page->flags); + flush_dcache_folio(page_folio(page)); } #define flush_icache_user_page(vma, page, addr, len) \ |