diff mbox series

[v4,4/5] arm64: exclusive upper bound for ptdump entries

Message ID hb7v5p6y4aqydsecsnla2ystu3kocevngekyhdbn4kuwboetjq@s3uaiuwd73wl (mailing list archive)
State New, archived
Headers show
Series ptdump: add intermediate directory support | expand

Commit Message

Maxwell Bland June 18, 2024, 2:42 p.m. UTC 
Update the upper bound of all ptdump entries to not include the byte
which is actually governed by the next entry. As the lowest byte is
included and governed, this makes the size specifications exact.

Signed-off-by: Maxwell Bland <mbland@motorola.com>
---
 arch/arm64/mm/ptdump.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 2ec16b523043..63f17c08c406 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -359,11 +359,11 @@  static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
 			else
 				delta = pg_level[st->level].size;
 			pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx   ",
-					   addr, addr + delta);
+					   addr, addr + delta - 1);
 		} else {
 			delta = (addr - st->start_address);
 			pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx   ",
-					   st->start_address, addr);
+					   st->start_address, addr - 1);
 		}
 
 		/* Align region information regardlesss of level */