mirror of https://gitee.com/openkylin/linux.git
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>
This commit is contained in:
parent
d3f79584a8
commit
f6604efe0b
|
@ -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);
|
||||
|
|
Loading…
Reference in New Issue