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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782869010; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=7AeQBR8Jr8+xBr3Mb/Jq7ZoDTM1Fuhu9AGQLRB/s3dg=; b=mhkF7e+ZtRDtADqZTMQR9kA74bcsj694LYfnfXrM40E2YA3ig0gYRv+Vqg7qZWXrMXwfHd P6B94Lncxm2vCK3nYDaUEcQ5ylkahzYsqWdIZCSGcIRv84igoiPLysiX93rkKkBh3I0upo M0U5fZvtWzuZekFjq+eVuyQoTvM+8IE= From: Ye Liu To: Andrew Morton , Vlastimil Babka Cc: Ye Liu , Zi Yan , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 6/7] mm/page_owner: move free_ts_nsec output to free section in __dump_page_owner() Date: Wed, 1 Jul 2026 09:22:32 +0800 Message-ID: <20260701012239.315262-7-ye.liu@linux.dev> In-Reply-To: <20260701012239.315262-1-ye.liu@linux.dev> References: <20260701012239.315262-1-ye.liu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: EF523A0002 X-Rspam-User: X-Stat-Signature: o7dkooq3jg519qgrwjpphq3t58uxmd1k X-HE-Tag: 1782869011-526817 X-HE-Meta: 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 RBV+QMbO DEHFNj/SHh4FnTWhuFPMaZTmWgbbzkVF56V6rWz6SZi4hi/WgTnfgzzU0ZEwR2sWmi6Uz14i43DrTeO16lnlbTHYle654iZBpmyLihjRy5yFCoAXTSW7QX3NSHzNqVmcAwjbJ2xqD1ptZ4Jakl6XgQaP+uCGP8PT3vudruKJnjjXZPHa+nMILvqvP7nVJNAePE9aRbxDjcxbCozJadLC91avI7pnELmJT6uJ6smho33YHCc4XmrDcl4XryCxb2v8c6OOeKVMkS+BJY8rskTQDl1LxMGoC8D5bINnaCZbOKwGjqV4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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. Signed-off-by: Ye Liu Acked-by: Zi Yan Reviewed-by: Vlastimil Babka (SUSE) --- mm/page_owner.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/mm/page_owner.c b/mm/page_owner.c index 7520718f63f1..84eb44459478 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -653,10 +653,10 @@ void __dump_page_owner(const struct page *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 *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); } -- 2.43.0