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Commit f6604efe authored by Russell King's avatar Russell King
Browse files

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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent d3f79584

arch/arm/kernel/process.c

+7 −6
Original line number Diff line number Diff line
@@ -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;

	return 0;

}

arch_initcall(gate_vma_init);