tag	line	file	source code
VM_MAYREAD	512	ipc/shm.c	| VM_MAYREAD | VM_MAYEXEC | VM_READ | VM_EXEC
VM_MAYREAD	122	mm/mmap.c	vma->vm_flags |= VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;
VM_MAYREAD	139	mm/mmap.c	vma->vm_flags |= VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC;