[merged mm-stable] mm-page_owner-move-free_ts_nsec-output-to-free-section-in-__dump_page_owner.patch removed from -mm tree

Andrew Morton <[email protected]> Tue, 28 Jul 2026 21:13:36 -0700
Newsgroups org.kernel.vger.mm-commits
Message-ID <[email protected]>
The quilt patch titled
     Subject: mm/page_owner: move free_ts_nsec output to free section in __dump_page_owner()
has been removed from the -mm tree.  Its filename was
     mm-page_owner-move-free_ts_nsec-output-to-free-section-in-__dump_page_owner.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Ye Liu <[email protected]>
Subject: mm/page_owner: move free_ts_nsec output to free section in __dump_page_owner()
Date: Tue, 14 Jul 2026 09:51:05 +0800

The free_ts_nsec field is a free-event timestamp, but it was printed in
the allocation summary line alongside ts_nsec (allocation time).  Move it
to the free section where it logically belongs, together with free_pid and
free_tgid.  This also makes __dump_page_owner() consistent with
print_page_owner(), which only prints ts_nsec in the allocation summary.

The output now groups all free-related information (pid, tgid, timestamp,
stack trace) in one place.

No functional change except output formatting.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: Ye Liu <[email protected]>
Acked-by: Zi Yan <[email protected]>
Reviewed-by: Vlastimil Babka (SUSE) <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: David Hildenbrand (Arm) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 mm/page_owner.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/mm/page_owner.c~mm-page_owner-move-free_ts_nsec-output-to-free-section-in-__dump_page_owner
+++ a/mm/page_owner.c
@@ -653,10 +653,10 @@ void __dump_page_owner(const struct page
 	else
 		pr_alert("page_owner tracks the page as freed\n");
 
-	pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, tgid %d (%s), ts %llu, free_ts %llu\n",
+	pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, tgid %d (%s), ts %llu\n",
 		 page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask,
 		 page_owner->pid, page_owner->tgid, page_owner->comm,
-		 page_owner->ts_nsec, page_owner->free_ts_nsec);
+		 page_owner->ts_nsec);
 
 	handle = READ_ONCE(page_owner->handle);
 	if (!handle)
@@ -668,8 +668,9 @@ void __dump_page_owner(const struct page
 	if (!handle) {
 		pr_alert("page_owner free stack trace missing\n");
 	} else {
-		pr_alert("page last free pid %d tgid %d stack trace:\n",
-			  page_owner->free_pid, page_owner->free_tgid);
+		pr_alert("page last free pid %d tgid %d ts %llu stack trace:\n",
+			  page_owner->free_pid, page_owner->free_tgid,
+			  page_owner->free_ts_nsec);
 		stack_depot_print(handle);
 	}
 
_

Patches currently in -mm which might be from [email protected] are