um_vdso 23 arch/x86/um/vdso/vma.c struct page *um_vdso; um_vdso 33 arch/x86/um/vdso/vma.c um_vdso = alloc_page(GFP_KERNEL); um_vdso 34 arch/x86/um/vdso/vma.c if (!um_vdso) { um_vdso 40 arch/x86/um/vdso/vma.c copy_page(page_address(um_vdso), vdso_start); um_vdso 41 arch/x86/um/vdso/vma.c *vdsop = um_vdso;