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Date: Sat, 25 Nov 2017 15:20:47 +0800 From: JianKang Chen <chenjiankang1@...wei.com> To: <akpm@...ux-foundation.org>, <mhocko@...e.com>, <mgorman@...hsingularity.net>, <hillf.zj@...baba-inc.com> CC: <hannes@...xchg.org>, <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>, <xieyisheng1@...wei.com>, <guohanjun@...wei.com>, <wangkefeng.wang@...wei.com>, <chenjiankang1@...wei.com> Subject: [PATCH resend] mm/page_alloc: fix comment is __get_free_pages From: Jiankang Chen <chenjiankang1@...wei.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. Signed-off-by: Jiankang Chen <chenjiankang1@...wei.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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