From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Date: Mon, 17 Aug 2015 03:19:00 +0000 Subject: [Patch V3 3/9] sgi-xp: Replace cpu_to_node() with cpu_to_mem() to support memoryless node Message-Id: <1439781546-7217-4-git-send-email-jiang.liu@linux.intel.com> List-Id: References: <1439781546-7217-1-git-send-email-jiang.liu@linux.intel.com> In-Reply-To: <1439781546-7217-1-git-send-email-jiang.liu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Andrew Morton , Mel Gorman , David Rientjes , Mike Galbraith , Peter Zijlstra , "Rafael J . Wysocki" , Tang Chen , Tejun Heo , Cliff Whickman , Robin Holt Cc: Jiang Liu , Tony Luck , linux-mm@kvack.org, linux-hotplug@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Function xpc_create_gru_mq_uv() allocates memory with __GFP_THISNODE flag set, which may cause permanent memory allocation failure on memoryless node. So replace cpu_to_node() with cpu_to_mem() to better support memoryless node. For node with memory, cpu_to_mem() is the same as cpu_to_node(). Signed-off-by: Jiang Liu --- drivers/misc/sgi-xp/xpc_uv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index 95c894482fdd..9210981c0d5b 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -238,7 +238,7 @@ xpc_create_gru_mq_uv(unsigned int mq_size, int cpu, char *irq_name, mq->mmr_blade = uv_cpu_to_blade_id(cpu); - nid = cpu_to_node(cpu); + nid = cpu_to_mem(cpu); page = alloc_pages_exact_node(nid, GFP_KERNEL | __GFP_ZERO | __GFP_THISNODE, pg_order); -- 1.7.10.4