From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A0D0EBC for ; Sat, 20 Jan 2024 02:40:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705718412; cv=none; b=JcbEkF91k9mIt2kUk7AAAfmzZX04dYcpKrMX5xoonL+GBLI5I9Io7T81T+jf9XLz6c6apKEEnT/JLx0secSixUadvhL0aOiC2BerVBsPog7pCQwNGdk6jfKXX2S8S/APDtxKUjHg19n6iLAkC24cMK1Batjxwa0Oiz8e80KX5KY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705718412; c=relaxed/simple; bh=KSbnvy4sJIwSCyWI6YElLaEZDcNX9o4TzCcmRIx6GrY=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=DZoqGQZnkav5HPzu36XQA79tojYHyiTbd3clNaHvNNhcZ+NmjHx/wgA/4xClQSs49RTMIn65CG0DojCYSIEXb8d1TO/K7wgw0HsXlVduGE7cSepAeWGsB51l4ug2QUKdQgzjDP/4HNeNnCnSMuAmtT7iH0JabER0UlbVvBOLrRM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--yosryahmed.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=Rlojni0V; arc=none smtp.client-ip=209.85.219.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--yosryahmed.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Rlojni0V" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dbcd9f4396eso2236636276.0 for ; Fri, 19 Jan 2024 18:40:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1705718410; x=1706323210; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=nM+uM5keP1vVbVBzlI6j6cI4oG9iDGk+mwAqUBofyJA=; b=Rlojni0Vh69Dk3HyH4rbQ1LqiI05ArzJcu5zJIthyGVZ51H/5K1hf3DJ3gLGbm9ItX EruLnUSx7HV85Nqn06uxFxBb061LoysAZ5MV4nihqGt1pOEeLL7ekJpBSFrfvkgBO+D3 5pychlrmz83vOyrPYVn4L7EWevx32/duW+kfRbWw0rX/e9O9/r3Ex6WXp7tUY+YX9Wnm Z6FuAlRXOayMh/Ake7gHQmBnL2VvJ4rXwNw/dwktyr9gKukz1RA8stTyTWPQJLr2iv16 Igy3z0xGtrvABzHfu7Vj4EunF9iZyL33mPQ/NTjWYuXrYYc5cpYaMHaYek14K/4b8eUD 3h8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705718410; x=1706323210; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=nM+uM5keP1vVbVBzlI6j6cI4oG9iDGk+mwAqUBofyJA=; b=TFPPE7je+l/CLxoHyT8mvvsW06gvHoDl7S1Mo7Ep70kiztkgKYl+9l544my1cTHJRH BBREFPZxzZ0LKNMD9waIfIB6PpbwKfiUhTd4izWkwNASCtNgOtiW7bCHi0zzlfSezZVo 9nkyC5wDz8Z3snXJJ09EJDz/eukK+HWoruul4ZJJLaGKPRkVSdLDHhFegItNwTAAyU9Q 9Env748Jw9LNi6L6okzMDf5cPQM38/qMXEsrdqZt9XO3/3lx5pE4R/x2gwEyM3UwLUOq V0mVVjS5chlK1oXNTXzH9lf8dPAc7E2nImgOlzImcrN5hdhygKMqrTV3M2BHIHa/UPeM o3ZA== X-Gm-Message-State: AOJu0YxIbAY+ZQrg0+Xs9royCO8pBiOUDKO7fyJy5LNQHQoNakFE8H7+ A9oiS+Uz55quq8vZGzXzy9wApUkWF2ughKwxFiJcp+DL77g9g2gktf0ZU+oOBe2aydjcbfPoCOZ a4/Mg18EC88EV5B6/fA== X-Google-Smtp-Source: AGHT+IGzNqMl3DhRutX1zvjmGkt2LuQmWmEVi4658k8bSyLNrERdkq6ZmeK5EEpUZV+0XOc07nXSEFyjXLHNexLS X-Received: from yosry.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:29b4]) (user=yosryahmed job=sendgmr) by 2002:a05:6902:86:b0:dbe:a214:888c with SMTP id h6-20020a056902008600b00dbea214888cmr423251ybs.11.1705718410258; Fri, 19 Jan 2024 18:40:10 -0800 (PST) Date: Sat, 20 Jan 2024 02:40:05 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.43.0.429.g432eaa2c6b-goog Message-ID: <20240120024007.2850671-1-yosryahmed@google.com> Subject: [PATCH 0/2] mm: zswap: simplify zswap_swapoff() From: Yosry Ahmed To: Andrew Morton Cc: Johannes Weiner , Nhat Pham , Chris Li , Chengming Zhou , Huang Ying , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yosry Ahmed Content-Type: text/plain; charset="UTF-8" This mini-series simplifies aims to zswap_swapoff(), which should simplify in progress work touching it (zswap tree split, rbtree to xarray conversion). Patch 1 is a code readability change in the core swap code that makes patch 2 (the actual simplification) more obviously correct. Yosry Ahmed (2): mm: swap: update inuse_pages after all cleanups are done mm: zswap: remove unnecessary tree cleanups in zswap_swapoff() mm/swapfile.c | 4 ++-- mm/zswap.c | 9 ++------- 2 files changed, 4 insertions(+), 9 deletions(-) -- 2.43.0.429.g432eaa2c6b-goog