[RFC,V3,43/43] riscv: Fixup address space overlay of print_mlk

Commit Message

Guo Ren March 25, 2025, 12:16 p.m. UTC

From: "Guo Ren (Alibaba DAMO Academy)" <[e-mail]>

If phyical memory is 1GiB for ilp32 linux, then print_mlk would be:
lowmem : 0xc0000000 - 0x00000000   ( 1024 MB)

After fixup:
lowmem : 0xc0000000 - 0xffffffff   ( 1024 MB)

Signed-off-by: Guo Ren (Alibaba DAMO Academy) <[e-mail]>
---
 arch/riscv/mm/init.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Patch

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 3cdbb033860e..e09286d4916a 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -105,26 +105,26 @@  static void __init zone_sizes_init(void)
 
 static inline void print_mlk(char *name, unsigned long b, unsigned long t)
 {
-	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld kB)\n", name, b, t,
+	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld kB)\n", name, b, t - 1,
 		  (((t) - (b)) >> LOG2_SZ_1K));
 }
 
 static inline void print_mlm(char *name, unsigned long b, unsigned long t)
 {
-	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld MB)\n", name, b, t,
+	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld MB)\n", name, b, t - 1,
 		  (((t) - (b)) >> LOG2_SZ_1M));
 }
 
 static inline void print_mlg(char *name, unsigned long b, unsigned long t)
 {
-	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld GB)\n", name, b, t,
+	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld GB)\n", name, b, t - 1,
 		   (((t) - (b)) >> LOG2_SZ_1G));
 }
 
 #if BITS_PER_LONG == 64
 static inline void print_mlt(char *name, unsigned long b, unsigned long t)
 {
-	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld TB)\n", name, b, t,
+	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld TB)\n", name, b, t - 1,
 		   (((t) - (b)) >> LOG2_SZ_1T));
 }
 #else