diff options
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
| -rw-r--r-- | arch/sh/mm/cache-sh4.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index 5cfe08dbb59e..c3a09b27f8d5 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -14,6 +14,7 @@ #include <linux/mm.h> #include <linux/io.h> #include <linux/mutex.h> +#include <linux/fs.h> #include <asm/mmu_context.h> #include <asm/cacheflush.h> @@ -246,7 +247,14 @@ static inline void flush_cache_4096(unsigned long start, */ void flush_dcache_page(struct page *page) { - if (test_bit(PG_mapped, &page->flags)) { + struct address_space *mapping = page_mapping(page); + +#ifndef CONFIG_SMP + if (mapping && !mapping_mapped(mapping)) + set_bit(PG_dcache_dirty, &page->flags); + else +#endif + { unsigned long phys = PHYSADDR(page_address(page)); unsigned long addr = CACHE_OC_ADDRESS_ARRAY; int i, n; |