When just including <linux/pgtable.h>: include/asm-generic/pgtable-nop4d.h:9:18: error: unknown type name ‘pgd_t’ 9 | typedef struct { pgd_t pgd; } p4d_t; | ^~~~~ Make <asm/pgtable.h> self-contained by including <asm/page.h>. Reported-by: Jani Nikula <jani.nikula@xxxxxxxxx> Closes: https://lore.kernel.org/r/878r2uxwha.fsf@xxxxxxxxx Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> --- Jani: Feel free to pick this up as a dependency. Else I will queue this in the m68k tree for v6.10. arch/m68k/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/m68k/include/asm/pgtable.h b/arch/m68k/include/asm/pgtable.h index 27525c6a12fd0c7f..49fcfd7348600594 100644 --- a/arch/m68k/include/asm/pgtable.h +++ b/arch/m68k/include/asm/pgtable.h @@ -2,6 +2,8 @@ #ifndef __M68K_PGTABLE_H #define __M68K_PGTABLE_H +#include <asm/page.h> + #ifdef __uClinux__ #include <asm/pgtable_no.h> #else -- 2.34.1