From nobody Sun Feb 8 12:19:04 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 8A699191F9B for ; Wed, 3 Jul 2024 21:29:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720042169; cv=none; b=hvnewl64KrhumDmLBLKzWAd1vyF3+qhF+gc/NdGaS8CsWSTwoMJYEmoT0ifMaTZXKEki+cT6TwEk2doe3E3v4Fvc5LH1YQr4MMGaajDGv3ZVYzdfZd09xg25ky2QD+5fMBdMAOqqnqiedCz7fO4bR166/bDFQ3QyeVToBKRNxFQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720042169; c=relaxed/simple; bh=B0IpMvJzke/973HZPlLZKBuCQcswwxmVEGuJbnrmXVU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Dn2s9bLP7/oA3lN7rUr7xrJuGrYDy5/Ie9OI1Q7wKhu/+hX63ROiXoOIoUdcmlDq8LUdgvo67Bv1CSTaWCeelhcxf4XX7/ZrxrE5Qo2vZS/hI+nJhvE9yfkjPeUzv0o8dM+wQ1QvlxQnUlcnjGq8Zdnx+bf7jK5vBFO3PtaQ5Xw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=D1/HG1qd; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="D1/HG1qd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1720042166; 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=xrFUBbcc9D0ORnx0qoNz81Y3Ewmb+xGo+hBykZs/BiM=; b=D1/HG1qdiZtGn30l8WJ65cSSZwTBAJrTPkbj1sJL5yGtz9sR02Zb0K8CrcQqys4P0mDx8N sPJKOZy2qMGewGkIPKxklLizLsu/0m6bRj2y5zr3fo4+DKQIySE75bG6U2PyAu90nyshUB Sz8svhkAapMItK7ciP1MGixxFaUNgb8= Received: from mail-qt1-f198.google.com (mail-qt1-f198.google.com [209.85.160.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-27-vE8YFquDPL6UlTiv0VUJ-w-1; Wed, 03 Jul 2024 17:29:25 -0400 X-MC-Unique: vE8YFquDPL6UlTiv0VUJ-w-1 Received: by mail-qt1-f198.google.com with SMTP id d75a77b69052e-44671e02749so3589341cf.1 for ; Wed, 03 Jul 2024 14:29:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720042164; x=1720646964; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xrFUBbcc9D0ORnx0qoNz81Y3Ewmb+xGo+hBykZs/BiM=; b=tEcv4k+6x3NbBAATHaNMKWZwepsKNlNqTe21uifS2Y+kzZZbAuTIAR/JD/CVZBW2KD LqiSsp1wcDuuHB1UuzLxulLiEZC9lpgt5jJYgEao2+OueWROcBsoKFRDwtodZeuW5SLs UxnZmzU4CnGMQBikh9OpU0WO2QriyAoX6b2rSOPQchPPAzuaIMyKdxVB+mRiTgfoJ2Wo kL+G4iNk2jQJh4IWlkiEuR6ecBEGTf7Q0J6dXS5CBwlhVfM+DsrjxA02Lc+SfPY8EEWM 4KI1XDrXOanJtHqsQMG/QHTYkZ3BwrZ6jU3TF4d1GL6SRSkOxHQeCAn/edFyXow8/HH/ ILIg== X-Gm-Message-State: AOJu0Yw+0ht1SYr1Z8nKE1dxSIX1LZVCQ4VbAJWjOpQaoPXw8AK5WcfG pxXLDom6jMfmfmiKfVlMpVvomawJj3BgMln0O2laUp0nP9pOEiPnh+F0gXg2Dnr03CHqCSbrOIk sagyl1nmzWft4tHhwRx72QRXq0OTaZIDDy2AIcbtg0+pEMkABpp/u9WMi4pXClPvLC2sp+Y0JlO wxc6hBVVgccwYRd8SX+9+bHI8kDB3ePVNBoxxY7j5VPw0= X-Received: by 2002:a05:622a:20f:b0:446:395a:37c9 with SMTP id d75a77b69052e-44662e3a591mr137075871cf.4.1720042163979; Wed, 03 Jul 2024 14:29:23 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHMTQtKzW3HcLgwCHDxSHbcORdQ9cM6uS4LGBZ0J8HIBqay3DdOq6gf2nTNP/Qtw7gCSEI+OA== X-Received: by 2002:a05:622a:20f:b0:446:395a:37c9 with SMTP id d75a77b69052e-44662e3a591mr137075451cf.4.1720042163442; Wed, 03 Jul 2024 14:29:23 -0700 (PDT) Received: from x1n.redhat.com (pool-99-254-121-117.cpe.net.cable.rogers.com. [99.254.121.117]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4465143eb1csm54337481cf.57.2024.07.03.14.29.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jul 2024 14:29:22 -0700 (PDT) From: Peter Xu To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Matthew Wilcox , Mel Gorman , Dave Jiang , linuxppc-dev@lists.ozlabs.org, Michael Ellerman , Rik van Riel , Vlastimil Babka , Nicholas Piggin , Christophe Leroy , Andrew Morton , Huang Ying , Oscar Salvador , "Aneesh Kumar K . V" , Thomas Gleixner , Dave Hansen , x86@kernel.org, Ingo Molnar , "Kirill A . Shutemov" , Dan Williams , Borislav Petkov , peterx@redhat.com, Hugh Dickins , Rick P Edgecombe Subject: [PATCH v2 1/8] mm/dax: Dump start address in fault handler Date: Wed, 3 Jul 2024 17:29:11 -0400 Message-ID: <20240703212918.2417843-2-peterx@redhat.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240703212918.2417843-1-peterx@redhat.com> References: <20240703212918.2417843-1-peterx@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Currently the dax fault handler dumps the vma range when dynamic debugging enabled. That's mostly not useful. Dump the (aligned) address instead with the order info. Signed-off-by: Peter Xu --- drivers/dax/device.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dax/device.c b/drivers/dax/device.c index eb61598247a9..714174844ca5 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -235,9 +235,9 @@ static vm_fault_t dev_dax_huge_fault(struct vm_fault *v= mf, unsigned int order) int id; struct dev_dax *dev_dax =3D filp->private_data; =20 - dev_dbg(&dev_dax->dev, "%s: %s (%#lx - %#lx) order:%d\n", current->comm, - (vmf->flags & FAULT_FLAG_WRITE) ? "write" : "read", - vmf->vma->vm_start, vmf->vma->vm_end, order); + dev_dbg(&dev_dax->dev, "%s: op=3D%s addr=3D%#lx order=3D%d\n", current->c= omm, + (vmf->flags & FAULT_FLAG_WRITE) ? "write" : "read", + vmf->address & ~((1UL << (order + PAGE_SHIFT)) - 1), order); =20 id =3D dax_read_lock(); if (order =3D=3D 0) --=20 2.45.0