From nobody Mon Feb 9 17:58:20 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 4AA187DA96 for ; Fri, 16 Aug 2024 05:48:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723787291; cv=none; b=VLIGBPuG3teTf38ZHOWnDJl+bhnjGhyenvtKd9v3Hd5Elz+GC/hNu+5QtSa44Sm8RNQSBN8pKYmTSJr23gEYlzkY1ZkPfUcgqiGMh88v4EZDCK61jXTrbSTIAK0WYOQOlHeqoXLuaObFbBAR753XSq8BeeUHAVxLV9b/MMC3AME= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723787291; c=relaxed/simple; bh=Rhd+o6cIvQZsonqH5BjtpwXRBNEn4sYl6ZxLr6ObqFU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=PwyTstmgPl9MN2HheZFJ9Gm3xmduy39HLtjUX4mBWfHIHhp5vFm5PT1aBZBC9HXXulMgVFliB/AtNHpwWtWeyb3dkxVaHeCqwIV+J6nYPWf65oJLJwjZA7Q1kRyL8/mu7RI3FeQe7yCIZPHH4gDca563TM/R/09kEhenNcUH328= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QyDlOuVn; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QyDlOuVn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723787290; x=1755323290; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Rhd+o6cIvQZsonqH5BjtpwXRBNEn4sYl6ZxLr6ObqFU=; b=QyDlOuVnexha2xlo9Jiym5jvjCEtsOTL+wF5PrykUlX39gU6Nh/qpCho RIc8TGme9WsHH5xE3uQerKTImIk0Lnl7wIQ8sI5KEs0LDuLo+FJLTb7ul LCrg/7DNqeTP8eaKLrdLvOwg8lYyvW6fkUMOOj1iX82iorMca18ohQDIT iLn84zkVauyFdBbKEFFJL8bvy3iGioWt0/KRDgkSq0xMBorI86piPLGiJ kO/PrY8iaORd/m/O872rC7+GWfSKFprAiV7etW3uXpI6+PpTiTihbFbUP Rjt2UWB5RHql9pdtJOyo1Xcsq8Gfo9RXLzzGE8IxHtat06IhKaOU4d2GW g==; X-CSE-ConnectionGUID: Pw8QB3S4RpCjgrRC+iA2WQ== X-CSE-MsgGUID: vJmeeCzhTc+L5N+lbWvGdQ== X-IronPort-AV: E=McAfee;i="6700,10204,11165"; a="32648125" X-IronPort-AV: E=Sophos;i="6.10,150,1719903600"; d="scan'208";a="32648125" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Aug 2024 22:48:07 -0700 X-CSE-ConnectionGUID: QU3cm6lVSTygm9MQstxIWw== X-CSE-MsgGUID: 2AV6aJjrTpmXJ/AXuljOAw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,150,1719903600"; d="scan'208";a="59415339" Received: from jf5300-b11a338t.jf.intel.com ([10.242.51.6]) by orviesa010.jf.intel.com with ESMTP; 15 Aug 2024 22:48:06 -0700 From: Kanchana P Sridhar To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, hannes@cmpxchg.org, yosryahmed@google.com, nphamcs@gmail.com, ryan.roberts@arm.com, ying.huang@intel.com, 21cnbao@gmail.com, akpm@linux-foundation.org Cc: nanhai.zou@intel.com, wajdi.k.feghali@intel.com, vinodh.gopal@intel.com, kanchana.p.sridhar@intel.com Subject: [PATCH v2 3/4] mm: Add MTHP_STAT_ZSWPOUT to sysfs per-order mthp stats. Date: Thu, 15 Aug 2024 22:48:04 -0700 Message-Id: <20240816054805.5201-4-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20240816054805.5201-1-kanchana.p.sridhar@intel.com> References: <20240816054805.5201-1-kanchana.p.sridhar@intel.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" Add a new MTHP_STAT_ZSWPOUT entry to the sysfs mTHP stats so that per-order mTHP folio ZSWAP stores can be accounted. Signed-off-by: Kanchana P Sridhar --- include/linux/huge_mm.h | 1 + mm/huge_memory.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index e25d9ebfdf89..44609d84f2dd 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -273,6 +273,7 @@ enum mthp_stat_item { MTHP_STAT_ANON_FAULT_ALLOC, MTHP_STAT_ANON_FAULT_FALLBACK, MTHP_STAT_ANON_FAULT_FALLBACK_CHARGE, + MTHP_STAT_ZSWPOUT, MTHP_STAT_SWPOUT, MTHP_STAT_SWPOUT_FALLBACK, MTHP_STAT_SHMEM_ALLOC, diff --git a/mm/huge_memory.c b/mm/huge_memory.c index f4be468e06a4..7e97b6ed6ff1 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -574,6 +574,7 @@ static struct kobj_attribute _name##_attr =3D __ATTR_RO= (_name) DEFINE_MTHP_STAT_ATTR(anon_fault_alloc, MTHP_STAT_ANON_FAULT_ALLOC); DEFINE_MTHP_STAT_ATTR(anon_fault_fallback, MTHP_STAT_ANON_FAULT_FALLBACK); DEFINE_MTHP_STAT_ATTR(anon_fault_fallback_charge, MTHP_STAT_ANON_FAULT_FAL= LBACK_CHARGE); +DEFINE_MTHP_STAT_ATTR(zswpout, MTHP_STAT_ZSWPOUT); DEFINE_MTHP_STAT_ATTR(swpout, MTHP_STAT_SWPOUT); DEFINE_MTHP_STAT_ATTR(swpout_fallback, MTHP_STAT_SWPOUT_FALLBACK); DEFINE_MTHP_STAT_ATTR(shmem_alloc, MTHP_STAT_SHMEM_ALLOC); @@ -587,6 +588,7 @@ static struct attribute *stats_attrs[] =3D { &anon_fault_alloc_attr.attr, &anon_fault_fallback_attr.attr, &anon_fault_fallback_charge_attr.attr, + &zswpout_attr.attr, &swpout_attr.attr, &swpout_fallback_attr.attr, &shmem_alloc_attr.attr, --=20 2.27.0