riscv: Introduce NAPOT field to PTDUMP

This patch introduces the NAPOT field to PTDUMP, allowing it to display the letter "N" for pages that have the 63rd bit set. Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com> Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
linux-riscv · Nov 2, 2023 · d16e0d3 · d16e0d3
1 parent 499173d
commit d16e0d3
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c
@@ -136,6 +136,10 @@ struct prot_bits {
 static const struct prot_bits pte_bits[] = {
 	{
 #ifdef CONFIG_64BIT
+		.mask = _PAGE_NAPOT,
+		.set = "N",
+		.clear = ".",
+	}, {
 		.mask = _PAGE_MTMASK_SVPBMT,
 		.set = "MT(%s)",
 		.clear = "  ..  ",