diff options
| -rw-r--r-- | arch/arm/mm/flush.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index c07222eb5ce0..575f3ad722e7 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -144,7 +144,14 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) * page. This ensures that data in the physical page is mutually * coherent with the kernels mapping. */ - __cpuc_flush_dcache_page(page_address(page)); +#ifdef CONFIG_HIGHMEM + /* + * kmap_atomic() doesn't set the page virtual address, and + * kunmap_atomic() takes care of cache flushing already. + */ + if (page_address(page)) +#endif + __cpuc_flush_dcache_page(page_address(page)); /* * If this is a page cache page, and we have an aliasing VIPT cache, |