From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 897ABC43458 for ; Tue, 30 Jun 2026 01:54:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 79FF06B00AC; Mon, 29 Jun 2026 21:54:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 777946B00AD; Mon, 29 Jun 2026 21:54:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5F1A76B00AE; Mon, 29 Jun 2026 21:54:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 261746B00AC for ; Mon, 29 Jun 2026 21:54:15 -0400 (EDT) Received: from smtpin28.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 8FB35140283 for ; Tue, 30 Jun 2026 01:54:14 +0000 (UTC) X-FDA: 84934908828.28.70837F7 Received: from out-186.mta1.migadu.com (out-186.mta1.migadu.com [95.215.58.186]) by imf03.hostedemail.com (Postfix) with ESMTP id 7DFF420007 for ; Tue, 30 Jun 2026 01:54:12 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=FIgNd9DL; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf03.hostedemail.com: domain of ye.liu@linux.dev designates 95.215.58.186 as permitted sender) smtp.mailfrom=ye.liu@linux.dev ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1782784452; b=gOaiPIm3krzGfH+mNZvVCE4VyceBELq8avQBT6/NhiSvssQ1Xxdb6y8s77IKKm4RU1sBgx oBWllbQ9b+U9WdaL3oB9K3uA43xbYegewl4QUesmQa0E42yhyEaMeG8LAsdRuF10SC+3K8 CgwFCs+botTIas8dlrnWaPq5iA2GSaQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1782784452; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=7AeQBR8Jr8+xBr3Mb/Jq7ZoDTM1Fuhu9AGQLRB/s3dg=; b=xkeya1d9+Bw7IIxHYBNoGRF7OZY2pRFckvEZW/9Tt43Dcl5PP+XaAGZ97BVXgMwxjmqx6j 6yP3xfNrPz1WNy05aDu48bPV8EziLqORbONVNOXJC17Ck0Heg9WDF7g57mq7ObWIPn1Fcl uGYGljl8bESHJP1tItNTTJoG+qmQ+eM= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=FIgNd9DL; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf03.hostedemail.com: domain of ye.liu@linux.dev designates 95.215.58.186 as permitted sender) smtp.mailfrom=ye.liu@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1782784451; 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=FIgNd9DLtRUgYfkfQeodyJ7Ogs7vkO0rfNnb1efxUo5DbKqfGgQ2pZUS8ALxdvlRt1gI4R 537e5h7kk/d1gS+kJfQ27W8icu1dDwdVUJwkv1MLF0wXJQOrfErZ57oc+QiC6k8I/jZPAk 3u3hY6NVgzBHkbxR+vKpxHHWL0HKok0= 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 v3 6/7] mm/page_owner: move free_ts_nsec output to free section in __dump_page_owner() Date: Tue, 30 Jun 2026 09:53:23 +0800 Message-ID: <20260630015331.147174-7-ye.liu@linux.dev> In-Reply-To: <20260630015331.147174-1-ye.liu@linux.dev> References: <20260630015331.147174-1-ye.liu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 7DFF420007 X-Rspam-User: X-Stat-Signature: cr4d1bbeycffj58ix6qnhe9bdej1yrqz X-HE-Tag: 1782784452-873564 X-HE-Meta: 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 dKYCExzd gNHLMTc/1w+SR88hndmGSVxPEjRME5CN8hKYfajF28Ql+d0QZHIdk4j+PmQvwwlHgjdqF5gBdvjEuu8UB5gwk/Gp11FvuXpxcgeP7hCRhE6UeROtsRPEpO+aspC7hnCoSa9tecYHrrDImAzVLR4hRSf88XHH+nyF2sR6WSrRqR6r5ItiWbT3/wwW2doUsz//QeSn9AlYVo/Osgatg3O/EiLsvdL44LK2jqvbbp6trDoblqbJm9yyQiggXqZoz9q+YY00Ru6/ko6IRot2NbEokUwLyRG140Va34OTy7knSkyeaReE= 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