From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id E308C83292 for ; Fri, 16 Jun 2017 05:24:09 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id g78so33031357pfg.4 for ; Fri, 16 Jun 2017 02:24:09 -0700 (PDT) Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com. [2607:f8b0:400e:c00::244]) by mx.google.com with ESMTPS id x84si1585271pgx.145.2017.06.16.02.24.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Jun 2017 02:24:09 -0700 (PDT) Received: by mail-pf0-x244.google.com with SMTP id y7so5291014pfd.3 for ; Fri, 16 Jun 2017 02:24:09 -0700 (PDT) From: Wei Yang Subject: [PATCH 2/2] mm/memory_hotplug: remove duplicate call for set_page_links Date: Fri, 16 Jun 2017 17:23:35 +0800 Message-Id: <20170616092335.5177-2-richard.weiyang@gmail.com> In-Reply-To: <20170616092335.5177-1-richard.weiyang@gmail.com> References: <20170616092335.5177-1-richard.weiyang@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: mhocko@kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org, Wei Yang In function move_pfn_range_to_zone(), memmap_init_zone() will call set_page_links for each page. This means we don't need to call it on each page explicitly. This patch just removes the loop. Signed-off-by: Wei Yang --- mm/memory_hotplug.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index d61509752112..4fb1fb2b2b53 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -914,10 +914,6 @@ void __ref move_pfn_range_to_zone(struct zone *zone, * are reserved so nobody should be touching them so we should be safe */ memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, MEMMAP_HOTPLUG); - for (i = 0; i < nr_pages; i++) { - unsigned long pfn = start_pfn + i; - set_page_links(pfn_to_page(pfn), zone_idx(zone), nid, pfn); - } set_zone_contiguous(zone); } -- 2.11.0 -- 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