From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f70.google.com (mail-oi0-f70.google.com [209.85.218.70]) by kanga.kvack.org (Postfix) with ESMTP id 128FF6B0033 for ; Sat, 25 Nov 2017 02:32:47 -0500 (EST) Received: by mail-oi0-f70.google.com with SMTP id p23so10136602oie.16 for ; Fri, 24 Nov 2017 23:32:47 -0800 (PST) Received: from szxga04-in.huawei.com (szxga04-in.huawei.com. [45.249.212.190]) by mx.google.com with ESMTPS id q33si11397038otb.168.2017.11.24.23.32.38 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 24 Nov 2017 23:32:45 -0800 (PST) From: JianKang Chen Subject: [PATCH resend] mm/page_alloc: fix comment is __get_free_pages Date: Sat, 25 Nov 2017 15:20:47 +0800 Message-ID: <1511594447-3836-1-git-send-email-chenjiankang1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org, mhocko@suse.com, mgorman@techsingularity.net, hillf.zj@alibaba-inc.com Cc: hannes@cmpxchg.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, xieyisheng1@huawei.com, guohanjun@huawei.com, wangkefeng.wang@huawei.com, chenjiankang1@huawei.com From: Jiankang Chen __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 --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org