From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A31A51E7C1C for ; Sat, 2 Aug 2025 18:53:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754160839; cv=none; b=RG/JANMm/aUUZBLJQUVHUSucjUbKUiCDAW8AkBoVVA7Co3VonZELw9KEefF9wSlAXNpz91ifJ2cHOyk4/uAiXnB0PNRGWqDpWYSKmUgCDmPPiMeDFJCG/uHwLVBFAMGDqWDqavRX4Kh9QzZ8KOZvfus8oLTXoB3e/XNQCJ2UPts= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754160839; c=relaxed/simple; bh=k/t9Y43xetFxq7cxzhkxwjS1xzTanD1QZfx47wPMg08=; h=Date:To:From:Subject:Message-Id; b=q2jNVHSIz/xAKOhc3WHd5OOYbx4T3M1wtw6TnSTdnRHi4TjqcZjXLxyctHU0awe0DO1VMvNw/6booZMo1KGZwqfaq9OHlWluVpvEl+Ko3Y5jyUrHzdHz0bBo1y4yxaVsT8jjV+RlkAUEttVHIaRbQ3C0+8kSekXaTZOYMHCcdCo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=mVcFcvEm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="mVcFcvEm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B507C4CEEF; Sat, 2 Aug 2025 18:53:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1754160839; bh=k/t9Y43xetFxq7cxzhkxwjS1xzTanD1QZfx47wPMg08=; h=Date:To:From:Subject:From; b=mVcFcvEmOks5vr3iSaEx6Ti14LA3DqvlGHVKG2FYCM2fofnTKLYmIKw0aVIn2dtvu ThGV0TKlXKUs91LdV0oGrPyCWFRcjHokws7oPiSJNynvQUYVc45x3uM9FJzJ58pUw5 wgDga87kKSuJYKaEGjyGvxlCHVZn1hQkXugbNdHk= Date: Sat, 02 Aug 2025 11:53:58 -0700 To: mm-commits@vger.kernel.org,vschneid@redhat.com,vincent.guittot@linaro.org,vbabka@suse.cz,surenb@google.com,sj@kernel.org,rppt@kernel.org,rostedt@goodmis.org,peterz@infradead.org,mingo@redhat.com,mhocko@suse.com,mgorman@suse.de,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,kees@kernel.org,juri.lelli@redhat.com,dietmar.eggemann@arm.com,david@redhat.com,bsegall@google.com,liuqiye2025@163.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-add-process-info-to-bad-rss-counter-warning.patch removed from -mm tree Message-Id: <20250802185359.2B507C4CEEF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm: add process info to bad rss-counter warning has been removed from the -mm tree. Its filename was mm-add-process-info-to-bad-rss-counter-warning.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: Xuanye Liu Subject: mm: add process info to bad rss-counter warning Date: Wed, 23 Jul 2025 18:09:00 +0800 Enhance the debugging information in check_mm() by including the process name and PID when reporting bad rss-counter states. This helps identify which process is associated with the memory accounting issue. Link: https://lkml.kernel.org/r/20250723100901.1909683-1-liuqiye2025@163.com Signed-off-by: Xuanye Liu Acked-by: SeongJae Park Cc: Ben Segall Cc: David Hildenbrand Cc: Dietmar Eggemann Cc: Ingo Molnar Cc: Juri Lelli Cc: Kees Cook Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Mel Gorman Cc: Michal Hocko Cc: Mike Rapoport Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Suren Baghdasaryan Cc: Valentin Schneider Cc: Vincent Guittot Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- kernel/fork.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/kernel/fork.c~mm-add-process-info-to-bad-rss-counter-warning +++ a/kernel/fork.c @@ -585,9 +585,12 @@ static void check_mm(struct mm_struct *m for (i = 0; i < NR_MM_COUNTERS; i++) { long x = percpu_counter_sum(&mm->rss_stat[i]); - if (unlikely(x)) - pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld\n", - mm, resident_page_types[i], x); + if (unlikely(x)) { + pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld Comm:%s Pid:%d\n", + mm, resident_page_types[i], x, + current->comm, + task_pid_nr(current)); + } } if (mm_pgtables_bytes(mm)) _ Patches currently in -mm which might be from liuqiye2025@163.com are