From nobody Tue Feb 10 05:43:55 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 D77F684A31 for ; Sat, 17 Aug 2024 05:09:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723871373; cv=none; b=QWGpua7t8ujSg3LzcMn9n86Ijns1H3ccvAPrAqyMdCPrBsoI+iYHkWlL03Alk6kjwz44mK8LiggFdGHfzghIDMEc3hlqjFHS1txoqVBr4vq0gEW5f2TJF5gmNZaUYDy3W1EXzpzT/LFlI1Vj0MFONm5UbDpxOkDSjr7FqaPjKuM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723871373; c=relaxed/simple; bh=Rhd+o6cIvQZsonqH5BjtpwXRBNEn4sYl6ZxLr6ObqFU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BO01vjGjpSgppYlXBoGP46I/I7OXjfS682TP3ESPjwCl2TePak9mikLPc2P9uBUabsMhuP0IitO0dbGkk62B8NjYtH+cHtTvLQfs3eEt/2TmQbRsXZxdMB/15ss7AlPHtpMcfMKqBlwkVfq9onVPBhpI4kwa5mSgTAHSD9v5mr0= 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=ZsNhL8zk; arc=none smtp.client-ip=198.175.65.15 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="ZsNhL8zk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723871372; x=1755407372; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Rhd+o6cIvQZsonqH5BjtpwXRBNEn4sYl6ZxLr6ObqFU=; b=ZsNhL8zkBlfN76rfgr0HQUP+SEPtbQ0tx7oIcjxSuKLAS2GPl0zikari o+dLOFYpAEq9uiu4o7A5DA7x7UELr5uSOWNH3rLCDNCGPdAMkYQIuT0nO VnIg3D0/21wrnSSjF+H93pONS61mpRPhDFplCYMRAbCadJzpf8Xw9w85d ftc6+OLehPPqQZdQP/y6i5pDVwn3Z5NorQvGFKlldnfsPzAzq0hLDtpMN q5risecZ0ICw0vxa3LSk8Z7+ee9MKMl4I1wafKqfGCfVKY4qVSV1tfieG mbYfLrdhXo0UFnw2jzCWn6TMYqj7MksDoKlhGe/bFRLHzb0GwpARhfIsX Q==; X-CSE-ConnectionGUID: aNx2WiFaSKqnJxuzwFWf4g== X-CSE-MsgGUID: U3MjBQ7ZRzid4lMdlDmN1w== X-IronPort-AV: E=McAfee;i="6700,10204,11166"; a="25929478" X-IronPort-AV: E=Sophos;i="6.10,154,1719903600"; d="scan'208";a="25929478" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2024 22:09:21 -0700 X-CSE-ConnectionGUID: ZSoOEOTiSpKi7SFuA8U4wg== X-CSE-MsgGUID: xlveTXNuQU62fSdNy5hU2w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,154,1719903600"; d="scan'208";a="60141498" Received: from jf5300-b11a338t.jf.intel.com ([10.242.51.6]) by orviesa006.jf.intel.com with ESMTP; 16 Aug 2024 22:09:21 -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 v3 3/4] mm: Add MTHP_STAT_ZSWPOUT to sysfs per-order mthp stats. Date: Fri, 16 Aug 2024 22:09:20 -0700 Message-Id: <20240817050921.18462-4-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20240817050921.18462-1-kanchana.p.sridhar@intel.com> References: <20240817050921.18462-1-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