percpu: use the right flag for get_vm_area()

get_vm_area() only accepts VM_* flags, not GFP_*.

And according to the doc of get_vm_area(), here should be
VM_ALLOC.

Signed-off-by: WANG Cong <amwang@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>

diff --git a/mm/percpu.c b/mm/percpu.c
index e0be114..5fe3784 100644 (file)
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -749,7 +749,7 @@ static struct pcpu_chunk *alloc_pcpu_chunk(void)
        chunk->map[chunk->map_used++] = pcpu_unit_size;
        chunk->page = chunk->page_ar;
 
-       chunk->vm = get_vm_area(pcpu_chunk_size, GFP_KERNEL);
+       chunk->vm = get_vm_area(pcpu_chunk_size, VM_ALLOC);
        if (!chunk->vm) {
                free_pcpu_chunk(chunk);
                return NULL;