From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752177AbdK0Ld4 (ORCPT ); Mon, 27 Nov 2017 06:33:56 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:45104 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752141AbdK0Ldy (ORCPT ); Mon, 27 Nov 2017 06:33:54 -0500 X-Greylist: delayed 965 seconds by postgrey-1.27 at vger.kernel.org; Mon, 27 Nov 2017 06:33:54 EST From: JianKang Chen To: , , , CC: , , , , , , Subject: [PATCH resend] mm/page_alloc: fix comment is __get_free_pages Date: Mon, 27 Nov 2017 19:09:24 +0800 Message-ID: <1511780964-64864-1-git-send-email-chenjiankang1@huawei.com> X-Mailer: git-send-email 1.7.12.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiankang Chen __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 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