On Tue, Oct 18, 2022 at 9:25 AM Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > Most architectures(except arm64/x86/sparc) simply return 1 for > kern_addr_valid(), which is only used in read_kcore(), and it > calls copy_from_kernel_nofault() which could check whether the > address is a valid kernel address, so no need kern_addr_valid(), > let's remove unneeded kern_addr_valid() completely. > > Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> > arch/m68k/include/asm/pgtable_mm.h | 2 - > arch/m68k/include/asm/pgtable_no.h | 1 - Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> [m68k] Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds