sctp: use GFP_KERNEL in sctp_init()

modules init functions being called from process context, we better
use GFP_KERNEL allocations to increase our chances to get these
high-order pages we want for SCTP hash tables.

This mostly matters if SCTP module is loaded once memory got fragmented.
Signed-off-by: NEric Dumazet <edumazet@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sctp/protocol.c

@@ -1419,7 +1419,7 @@ static __init int sctp_init(void)
 		if ((sctp_assoc_hashsize > (64 * 1024)) && order > 0)
 			continue;
 		sctp_assoc_hashtable = (struct sctp_hashbucket *)
-			__get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order);
+			__get_free_pages(GFP_KERNEL | __GFP_NOWARN, order);
 	} while (!sctp_assoc_hashtable && --order > 0);
 	if (!sctp_assoc_hashtable) {
 		pr_err("Failed association hash alloc\n");
@@ -1452,7 +1452,7 @@ static __init int sctp_init(void)
 		if ((sctp_port_hashsize > (64 * 1024)) && order > 0)
 			continue;
 		sctp_port_hashtable = (struct sctp_bind_hashbucket *)
-			__get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order);
+			__get_free_pages(GFP_KERNEL | __GFP_NOWARN, order);
 	} while (!sctp_port_hashtable && --order > 0);
 	if (!sctp_port_hashtable) {
 		pr_err("Failed bind hash alloc\n");