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| author | Andy Lutomirski <luto@amacapital.net> | 2014-05-20 00:58:34 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-05-20 20:39:31 +0200 |
| commit | ac49b9a9f26b6c42585f87857722085ef4b19c13 (patch) | |
| tree | 8231c036dc6c331f100674d72e82d93104b0422c /arch/x86/mm | |
| parent | x86, mm: Improve _install_special_mapping and fix x86 vdso naming (diff) | |
| download | linux-ac49b9a9f26b6c42585f87857722085ef4b19c13.tar.xz linux-ac49b9a9f26b6c42585f87857722085ef4b19c13.zip | |
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>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/init_64.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 9deb59b0baea..bdcde58ca9ed 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1185,11 +1185,19 @@ int kern_addr_valid(unsigned long addr) * covers the 64bit vsyscall page now. 32bit has a real VMA now and does * not need special handling anymore: */ +static const char *gate_vma_name(struct vm_area_struct *vma) +{ + return "[vsyscall]"; +} +static struct vm_operations_struct gate_vma_ops = { + .name = gate_vma_name, +}; static struct vm_area_struct gate_vma = { .vm_start = VSYSCALL_ADDR, .vm_end = VSYSCALL_ADDR + PAGE_SIZE, .vm_page_prot = PAGE_READONLY_EXEC, - .vm_flags = VM_READ | VM_EXEC + .vm_flags = VM_READ | VM_EXEC, + .vm_ops = &gate_vma_ops, }; struct vm_area_struct *get_gate_vma(struct mm_struct *mm) @@ -1221,13 +1229,6 @@ int in_gate_area_no_mm(unsigned long addr) return (addr & PAGE_MASK) == VSYSCALL_ADDR; } -const char *arch_vma_name(struct vm_area_struct *vma) -{ - if (vma == &gate_vma) - return "[vsyscall]"; - return NULL; -} - #ifdef CONFIG_X86_UV unsigned long memory_block_size_bytes(void) { |