s390: use __vmalloc_node in stack_alloc

stack_alloc can use a slightly higher level vmalloc function.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Acked-by: Christian Borntraeger <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Cc: "K. Y. Srinivasan" <[email protected]>
Cc: Haiyang Zhang <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Cc: Wei Liu <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Laura Abbott <[email protected]>
Cc: Sumit Semwal <[email protected]>
Cc: Sakari Ailus <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Robin Murphy <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Gao Xiang <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Michael Kelley <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Cc: Will Deacon <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>

arch/s390/kernel/setup.c

@@ -305,12 +305,9 @@ void *restart_stack __section(.data);
 unsigned long stack_alloc(void)
 {
 #ifdef CONFIG_VMAP_STACK
-	return (unsigned long)
-		__vmalloc_node_range(THREAD_SIZE, THREAD_SIZE,
-				     VMALLOC_START, VMALLOC_END,
-				     THREADINFO_GFP,
-				     PAGE_KERNEL, 0, NUMA_NO_NODE,
-				     __builtin_return_address(0));
+	return (unsigned long)__vmalloc_node(THREAD_SIZE, THREAD_SIZE,
+			THREADINFO_GFP, NUMA_NO_NODE,
+			__builtin_return_address(0));
 #else
 	return __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
 #endif