diff options
Diffstat (limited to 'arch/mips/mm/cache.c')
| -rw-r--r-- | arch/mips/mm/cache.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 3f159caf6dbc..5a67d8c3decb 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -16,6 +16,7 @@ #include <linux/mm.h> #include <asm/cacheflush.h> +#include <asm/highmem.h> #include <asm/processor.h> #include <asm/cpu.h> #include <asm/cpu-features.h> @@ -83,8 +84,6 @@ void __flush_dcache_page(struct page *page) struct address_space *mapping = page_mapping(page); unsigned long addr; - if (PageHighMem(page)) - return; if (mapping && !mapping_mapped(mapping)) { SetPageDcacheDirty(page); return; @@ -95,8 +94,15 @@ void __flush_dcache_page(struct page *page) * case is for exec env/arg pages and those are %99 certainly going to * get faulted into the tlb (and thus flushed) anyways. */ - addr = (unsigned long) page_address(page); + if (PageHighMem(page)) + addr = (unsigned long)kmap_atomic(page); + else + addr = (unsigned long)page_address(page); + flush_data_cache_page(addr); + + if (PageHighMem(page)) + __kunmap_atomic((void *)addr); } EXPORT_SYMBOL(__flush_dcache_page); |