From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang Nan Date: Mon, 21 Jul 2014 03:46:38 +0000 Subject: [PATCH v2 3/7] memory-hotplug: x86_32: suitable memory should go to ZONE_MOVABLE Message-Id: <1405914402-66212-4-git-send-email-wangnan0@huawei.com> List-Id: References: <1405914402-66212-1-git-send-email-wangnan0@huawei.com> In-Reply-To: <1405914402-66212-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ingo Molnar , Yinghai Lu , Mel Gorman , Andrew Morton , Dave Hansen , Zhang Yanfei Cc: peifeiyue@huawei.com, linux-mm@kvack.org, x86@kernel.org, linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, wangnan0@huawei.com This patch introduces zone_for_memory() to arch_add_memory() on x86_32 to ensure new, higher memory added into ZONE_MOVABLE if movable zone has already setup. Signed-off-by: Wang Nan Cc: Zhang Yanfei Cc: Dave Hansen --- arch/x86/mm/init_32.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index e395048..7d05565 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -825,7 +825,8 @@ void __init mem_init(void) int arch_add_memory(int nid, u64 start, u64 size) { struct pglist_data *pgdata = NODE_DATA(nid); - struct zone *zone = pgdata->node_zones + ZONE_HIGHMEM; + 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