38 int __init init_vdso_image(const struct vdso_image *image)  in init_vdso_image()  argument
41 	BUG_ON(image->size % PAGE_SIZE != 0);  in init_vdso_image()
43 	apply_alternatives((struct alt_instr *)(image->data + image->alt),  in init_vdso_image()
44 			   (struct alt_instr *)(image->data + image->alt +  in init_vdso_image()
45 						image->alt_len));  in init_vdso_image()
55 	const struct vdso_image *image = vma->vm_mm->context.vdso_image;  in vdso_fault()  local
57 	if (!image || (vmf->pgoff << PAGE_SHIFT) >= image->size)  in vdso_fault()
60 	vmf->page = virt_to_page(image->data + (vmf->pgoff << PAGE_SHIFT));  in vdso_fault()
65 static void vdso_fix_landing(const struct vdso_image *image,  in vdso_fix_landing()  argument
68 	if (in_ia32_syscall() && image == &vdso_image_32) {  in vdso_fix_landing()
70 		unsigned long vdso_land = image->sym_int80_landing_pad;  in vdso_fix_landing()
83 	const struct vdso_image *image = current->mm->context.vdso_image;  in vdso_mremap()  local
85 	vdso_fix_landing(image, new_vma);  in vdso_mremap()
134  * @image          - blob to map
137 static int map_vdso(const struct vdso_image *image, unsigned long addr)  in map_vdso()  argument
148 				 image->size + __VDSO_PAGES * PAGE_SIZE, 0, 0);  in map_vdso()
161 				       image->size,  in map_vdso()
175 		do_munmap(mm, text_start, image->size, NULL);  in map_vdso()
188 		do_munmap(mm, text_start, image->size, NULL);  in map_vdso()
189 		do_munmap(mm, addr, image->size, NULL);  in map_vdso()
194 	current->mm->context.vdso_image = image;  in map_vdso()
201 int map_vdso_once(const struct vdso_image *image, unsigned long addr)  in map_vdso_once()  argument
225 	return map_vdso(image, addr);  in map_vdso_once()
267 	const struct vdso_image *image = current->mm->context.vdso_image;  in arch_syscall_is_vdso_sigreturn()  local
270 	if (in_ia32_syscall() && image == &vdso_image_32) {  in arch_syscall_is_vdso_sigreturn()
271 		if (regs->ip == vdso + image->sym_vdso32_sigreturn_landing_pad ||  in arch_syscall_is_vdso_sigreturn()
272 		    regs->ip == vdso + image->sym_vdso32_rt_sigreturn_landing_pad)  in arch_syscall_is_vdso_sigreturn()