From: Yu Chien Peter Lin <peterlin@andestech.com>
Date: Thu, 21 Sep 2023 02:50:22 +0000 (+0800)
Subject: riscv: Introduce NAPOT field to PTDUMP
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=015c3c370472290e37143d1387c000db7ec273ad;p=linux.git

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>
Link: https://lore.kernel.org/r/20230921025022.3989723-4-peterlin@andestech.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---

diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c
index 13997cf3fe366..b71f08b91e531 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 = "  ..  ",