From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56D2AC433F5 for ; Fri, 25 Mar 2022 01:34:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355121AbiCYBgA (ORCPT ); Thu, 24 Mar 2022 21:36:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357459AbiCYBew (ORCPT ); Thu, 24 Mar 2022 21:34:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05D28C12D0 for ; Thu, 24 Mar 2022 18:32:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 91EA3608C1 for ; Fri, 25 Mar 2022 01:32:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5024C340EE; Fri, 25 Mar 2022 01:32:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648171964; bh=1cwPqBwrel579wpSyRcP4YNu56Ip03n4hfDfXCaIoVE=; h=Date:To:From:Subject:From; b=LEMaBq+UuwQ1rQMb7JYT8GxkkXGvIMsUW3KIOnh1KiT3rjI756WZRdyRZ5YmCsVTV ocNXJWpPRS7NUOaegIgfWMnxCbeXfDtjGX7PXn4nvBcZ9OOPeHVxmiAVV7Jbs5UZpT +uQiMLI8Fy2DHDAdyC+Qwljn2CX4jQm2lXBbdWiU= Date: Thu, 24 Mar 2022 18:32:43 -0700 To: mm-commits@vger.kernel.org, osalvador@suse.de, david@redhat.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] mm-memory_hotplug-avoid-calling-zone_intersects-for-zone_normal.patch removed from -mm tree Message-Id: <20220325013243.E5024C340EE@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/memory_hotplug: avoid calling zone_intersects() for ZONE_NORMAL has been removed from the -mm tree. Its filename was mm-memory_hotplug-avoid-calling-zone_intersects-for-zone_normal.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Miaohe Lin Subject: mm/memory_hotplug: avoid calling zone_intersects() for ZONE_NORMAL If zid reaches ZONE_NORMAL, the caller will always get the NORMAL zone no matter what zone_intersects() returns. So we can save some possible cpu cycles by avoid calling zone_intersects() for ZONE_NORMAL. Link: https://lkml.kernel.org/r/20220207133643.23427-3-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand Reviewed-by: Oscar Salvador Signed-off-by: Andrew Morton --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memory_hotplug.c~mm-memory_hotplug-avoid-calling-zone_intersects-for-zone_normal +++ a/mm/memory_hotplug.c @@ -823,7 +823,7 @@ static struct zone *default_kernel_zone_ struct pglist_data *pgdat = NODE_DATA(nid); int zid; - for (zid = 0; zid <= ZONE_NORMAL; zid++) { + for (zid = 0; zid < ZONE_NORMAL; zid++) { struct zone *zone = &pgdat->node_zones[zid]; if (zone_intersects(zone, start_pfn, nr_pages)) _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-huge_memory-make-is_transparent_hugepage-static.patch