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 fe96aab..b6cacc4 100644 (file)
--- 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;