From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> What we'd like to check here is whether page has direct mapping or not. Use PageHighMem() since it is perfectly matched for this purpose. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 9997f87..e07148d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1399,7 +1399,7 @@ static void __meminit __init_single_page(struct page *page, unsigned long pfn, INIT_LIST_HEAD(&page->lru); #ifdef WANT_PAGE_VIRTUAL /* The shift won't overflow because ZONE_NORMAL is below 4G. */ - if (!is_highmem_idx(zone)) + if (!PageHighMem(page)) set_page_address(page, __va(pfn << PAGE_SHIFT)); #endif } -- 2.7.4
