x86, mm: Replace arch_vma_name with vm_ops->name for vsyscalls
This removes the last vestiges of arch_vma_name from x86, replacing it with vm_ops->name. Good riddance. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/e681cb56096eee5b8b8767093a4f6fb82839f0a4.1400538962.git.luto@amacapital.net Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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@ -1185,11 +1185,19 @@ int kern_addr_valid(unsigned long addr)
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* covers the 64bit vsyscall page now. 32bit has a real VMA now and does
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* not need special handling anymore:
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*/
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static const char *gate_vma_name(struct vm_area_struct *vma)
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{
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return "[vsyscall]";
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}
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static struct vm_operations_struct gate_vma_ops = {
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.name = gate_vma_name,
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};
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static struct vm_area_struct gate_vma = {
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.vm_start = VSYSCALL_ADDR,
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.vm_end = VSYSCALL_ADDR + PAGE_SIZE,
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.vm_page_prot = PAGE_READONLY_EXEC,
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.vm_flags = VM_READ | VM_EXEC
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.vm_flags = VM_READ | VM_EXEC,
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.vm_ops = &gate_vma_ops,
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};
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struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
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@ -1221,13 +1229,6 @@ int in_gate_area_no_mm(unsigned long addr)
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return (addr & PAGE_MASK) == VSYSCALL_ADDR;
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}
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const char *arch_vma_name(struct vm_area_struct *vma)
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{
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if (vma == &gate_vma)
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return "[vsyscall]";
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return NULL;
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}
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#ifdef CONFIG_X86_UV
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unsigned long memory_block_size_bytes(void)
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{
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