diff mbox series

[v5,5/6] arm64: exclusive upper bound for ptdump entries

Message ID 2e6i3jrv7mfd3athc2g4sbv5rirrukj46cnchcym4io5uhle2n@ah3viwbr5bxr (mailing list archive)
State New
Headers show
Series ptdump: add intermediate directory support | expand

Commit Message

Maxwell Bland June 24, 2024, 10:15 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 0660b74413a2..f13acf9b1cd8 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -320,11 +320,11 @@  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 */