From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [119.145.14.64]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 00D2C1A020E for ; Mon, 21 Jul 2014 13:56:54 +1000 (EST) From: Wang Nan To: Ingo Molnar , Yinghai Lu , "Mel Gorman" , Andrew Morton , "Dave Hansen" , Zhang Yanfei Subject: [PATCH v2 7/7] memory-hotplug: tile: suitable memory should go to ZONE_MOVABLE Date: Mon, 21 Jul 2014 11:46:42 +0800 Message-ID: <1405914402-66212-8-git-send-email-wangnan0@huawei.com> In-Reply-To: <1405914402-66212-1-git-send-email-wangnan0@huawei.com> References: <1405914402-66212-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Cc: wangnan0@huawei.com, linux-ia64@vger.kernel.org, peifeiyue@huawei.com, linux-sh@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch introduces zone_for_memory() to arch_add_memory() on tile to ensure new, higher memory added into ZONE_MOVABLE if movable zone has already setup. This patch also fix a problem: on tile, new memory should be added into ZONE_HIGHMEM by default, not MAX_NR_ZONES-1, which is ZONE_MOVABLE. Signed-off-by: Wang Nan Cc: Zhang Yanfei Cc: Dave Hansen --- arch/tile/mm/init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index bfb3127..22ac6c1 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -872,7 +872,8 @@ void __init mem_init(void) int arch_add_memory(u64 start, u64 size) { struct pglist_data *pgdata = &contig_page_data; - struct zone *zone = pgdata->node_zones + MAX_NR_ZONES-1; + struct zone *zone = pgdata->node_zones + + zone_for_memory(nid, start, size, ZONE_HIGHMEM); unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; -- 1.8.4