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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2020-12-16 19:06:33 +0300 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-10-18 14:49:36 +0300 |
| commit | 08b0b0059bf1c2e8637f724cc7cc4d29b1e808de (patch) | |
| tree | 795315583bdbd72e41a2509662d48f377d477893 /arch/parisc/include | |
| parent | 646010009d3541b8cb4f803dcb4b8d0da2f22579 (diff) | |
| download | linux-08b0b0059bf1c2e8637f724cc7cc4d29b1e808de.tar.xz | |
mm: Add flush_dcache_folio()
This is a default implementation which calls flush_dcache_page() on
each page in the folio. If architectures can do better, they should
implement their own version of it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'arch/parisc/include')
| -rw-r--r-- | arch/parisc/include/asm/cacheflush.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index eef0096db5f8..da0cd4b3a28f 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -49,7 +49,8 @@ void invalidate_kernel_vmap_range(void *vaddr, int size); #define flush_cache_vunmap(start, end) flush_cache_all() #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 -extern void flush_dcache_page(struct page *page); +void flush_dcache_page(struct page *page); +void flush_dcache_folio(struct folio *folio); #define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages) #define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages) |