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Diffstat (limited to 'arch/mips/mm/cache.c')
-rw-r--r--arch/mips/mm/cache.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 5a67d8c3decb..8befa55234df 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -149,9 +149,17 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address,
return;
page = pfn_to_page(pfn);
if (page_mapping(page) && Page_dcache_dirty(page)) {
- addr = (unsigned long) page_address(page);
+ if (PageHighMem(page))
+ addr = (unsigned long)kmap_atomic(page);
+ else
+ addr = (unsigned long)page_address(page);
+
if (exec || pages_do_alias(addr, address & PAGE_MASK))
flush_data_cache_page(addr);
+
+ if (PageHighMem(page))
+ __kunmap_atomic((void *)addr);
+
ClearPageDcacheDirty(page);
}
}