diff options
Diffstat (limited to 'arch/sh/mm/cache-sh7705.c')
| -rw-r--r-- | arch/sh/mm/cache-sh7705.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c index 22dacc77882..fa37bff306b 100644 --- a/arch/sh/mm/cache-sh7705.c +++ b/arch/sh/mm/cache-sh7705.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/mman.h> #include <linux/mm.h> +#include <linux/fs.h> #include <linux/threads.h> #include <asm/addrspace.h> #include <asm/page.h> @@ -128,7 +129,11 @@ static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys) */ void flush_dcache_page(struct page *page) { - if (test_bit(PG_mapped, &page->flags)) + struct address_space *mapping = page_mapping(page); + + if (mapping && !mapping_mapped(mapping)) + set_bit(PG_dcache_dirty, &page->flags); + else __flush_dcache_page(PHYSADDR(page_address(page))); } |