[PATCH v4 3/3] riscv: Introduce NAPOT field to PTDUMP

[Yu Chien Peter Lin]

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 at andestech.com>
Reviewed-by: Alexandre Ghiti <alexghiti at rivosinc.com>
Tested-by: Alexandre Ghiti <alexghiti at rivosinc.com>
---
Changes v1 -> v3
- no change
Changes v3 -> v4
- Include Alexandre's RB/TB-tags
---
 arch/riscv/mm/ptdump.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c
index 13997cf3fe36..b71f08b91e53 100644
--- 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 = "  ..  ",
-- 
2.34.1