From: Jisheng Zhang <jszhang@kernel.org>
Date: Tue, 25 Jan 2022 16:00:12 +0000 (+0800)
Subject: riscv: mm: init: mark satp_mode __ro_after_init
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=67ff2f262619d7bb5101525672ead4f2a437a40f;p=linux.git

riscv: mm: init: mark satp_mode __ro_after_init

satp_mode is never modified after init, so it can be marked as
__ro_after_init.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
---

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index cf4d018b7d668..332a319783817 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -38,9 +38,9 @@ EXPORT_SYMBOL(kernel_map);
 #endif
 
 #ifdef CONFIG_64BIT
-u64 satp_mode = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
+u64 satp_mode __ro_after_init = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
 #else
-u64 satp_mode = SATP_MODE_32;
+u64 satp_mode __ro_after_init = SATP_MODE_32;
 #endif
 EXPORT_SYMBOL(satp_mode);