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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2020-12-16 11:06:33 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-10-18 07:49:36 -0400 |
| commit | 08b0b0059bf1c2e8637f724cc7cc4d29b1e808de (patch) | |
| tree | 795315583bdbd72e41a2509662d48f377d477893 /arch/arm | |
| parent | 646010009d3541b8cb4f803dcb4b8d0da2f22579 (diff) | |
| download | linux-08b0b0059bf1c2e8637f724cc7cc4d29b1e808de.tar.gz linux-08b0b0059bf1c2e8637f724cc7cc4d29b1e808de.tar.bz2 linux-08b0b0059bf1c2e8637f724cc7cc4d29b1e808de.zip | |
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/arm')
| -rw-r--r-- | arch/arm/include/asm/cacheflush.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 5e56288e343b..e68fb879e4f9 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -290,6 +290,7 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr */ #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *); +void flush_dcache_folio(struct folio *folio); #define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1 static inline void flush_kernel_vmap_range(void *addr, int size) |