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Subject[PATCH] mm/page_alloc: fix comment is __get_free_pages
Date
From: c00426987 <c00426987@huawei.com>

__get_free_pages will return an 64bit address in 64bit System
like arm64 or x86_64. And this comment really
confuse new bigenner of mm.

reported-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Chen Jiankang <chenjiankang1@huawei.com>
---
mm/page_alloc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 77e4d3c..b847b24 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4240,8 +4240,8 @@ 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
- * a highmem page
+ * __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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