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Subject[PATCH resend] mm/page_alloc: fix comment is __get_free_pages
Date
From: Jiankang Chen <chenjiankang1@huawei.com>

__get_free_pages will return an virtual address,
but it is not just 32-bit address, for example a 64-bit system.
And this comment really confuse new bigenner of mm.

reported-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Jiankang Chen <chenjiankang1@huawei.com>
---
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 77e4d3c..5a7c432 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4240,7 +4240,7 @@ unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order)
struct page *page;

/*
- * __get_free_pages() returns a 32-bit address, which cannot represent
+ * __get_free_pages() returns a virtual address, which cannot represent
* a highmem page
*/
VM_BUG_ON((gfp_mask & __GFP_HIGHMEM) != 0);
--
1.7.12.4
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