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