From: Jia-Ju Bai <baijiaju1990@gmail.com>
Date: Mon, 5 Mar 2018 05:17:12 +0000 (-0700)
Subject: hyper-v: use GFP_KERNEL for hv_context.hv_numa_map
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=597ff72f3de850c3b93b41eca21732715d6ffc60;p=openwrt%2Fstaging%2Fblogic.git

hyper-v: use GFP_KERNEL for hv_context.hv_numa_map

The kzalloc function is called with GFP_ATOMIC.
But according to driver call graph, it is not in atomic context,
namely no spinlock is held nor in an interrupt handler.

This GFP_ATOMIC is unnecessary, and replace with GFP_KERNEL.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index fe96aab9e794..b6cacc4cccf2 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -147,7 +147,7 @@ int hv_synic_alloc(void)
 	int cpu;
 
 	hv_context.hv_numa_map = kzalloc(sizeof(struct cpumask) * nr_node_ids,
-					 GFP_ATOMIC);
+					 GFP_KERNEL);
 	if (hv_context.hv_numa_map == NULL) {
 		pr_err("Unable to allocate NUMA map\n");
 		goto err;