Commit 597ff72f authored Mar 04, 2018 by Jia-Ju Bai Committed by Greg Kroah-Hartman Mar 06, 2018

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>

parent 4ba63412

drivers/hv/hv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;