ARM: cleanup gate_vma initialization

Three's no need to have code initializing this by hand; it's more
efficient to initialize the constant structure members directly.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index c6dec5f..9397069 100644 (file)
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -464,15 +464,16 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
  * atomic helpers and the signal restart code. Insert it into the
  * gate_vma so that it is visible through ptrace and /proc/<pid>/mem.
  */
-static struct vm_area_struct gate_vma;
+static struct vm_area_struct gate_vma = {
+       .vm_start       = 0xffff0000,
+       .vm_end         = 0xffff0000 + PAGE_SIZE,
+       .vm_flags       = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC,
+       .vm_mm          = &init_mm,
+};
 
 static int __init gate_vma_init(void)
 {
-       gate_vma.vm_start       = 0xffff0000;
-       gate_vma.vm_end         = 0xffff0000 + PAGE_SIZE;
-       gate_vma.vm_page_prot   = PAGE_READONLY_EXEC;
-       gate_vma.vm_flags       = VM_READ | VM_EXEC |
-                                 VM_MAYREAD | VM_MAYEXEC;
+       gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
        return 0;
 }
 arch_initcall(gate_vma_init);