arm64: Add vmap_stack header file

[linux-2.6-microblaze.git] / arch / arm64 / kernel / irq.c

diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 713561e..60e5fc6 100644 (file)
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -29,6 +29,7 @@
 #include <linux/irqchip.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
+#include <asm/vmap_stack.h>
 
 unsigned long irq_err_count;
 
@@ -58,17 +59,7 @@ static void init_irq_stacks(void)
        unsigned long *p;
 
        for_each_possible_cpu(cpu) {
-               /*
-               * To ensure that VMAP'd stack overflow detection works
-               * correctly, the IRQ stacks need to have the same
-               * alignment as other stacks.
-               */
-               p = __vmalloc_node_range(IRQ_STACK_SIZE, THREAD_ALIGN,
-                                        VMALLOC_START, VMALLOC_END,
-                                        THREADINFO_GFP, PAGE_KERNEL,
-                                        0, cpu_to_node(cpu),
-                                        __builtin_return_address(0));
-
+               p = arch_alloc_vmap_stack(IRQ_STACK_SIZE, cpu_to_node(cpu));
                per_cpu(irq_stack_ptr, cpu) = p;
        }
 }