From nobody Fri Dec 19 17:13:32 2025 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) (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 A9FEB1DA10F for ; Wed, 4 Sep 2024 13:25:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725456319; cv=none; b=WC/PKvm1djvFMwVxykJfvDFgg7dUx9DCfQ/NszNjTh0xVaLN+HxDaUgjTPKBM94gvPjDPbPa7Iu5yzdARLPrCfq/MetDQgQ0R+igq4irrNeGNsGOUfbYo2TMz5nj/AORAyx1ZqgfMnssaSTKfIt/sK7OtClFNQh2AIC03SI9D08= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725456319; c=relaxed/simple; bh=lUHRhX9XC9fid7bK5peUhG1lZWv1daGrfzSvhVwFqcM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KeWsJJqoayM/K797Pii36zk5x9t8swQ4P4fTYBSHzpWP0PEra5e+WQDjl9EQd+Dij2gd8HMSaV4F1fRyKe4W31JGPOnFGdJZUfHVaM18wRtm2RR5+GtpMrt2rXhHD544IgieQWyI5tqnNOVeTsx/++KiN1An/H8WvtvrQkko5aA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=ZEJFMCVi; arc=none smtp.client-ip=209.85.214.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="ZEJFMCVi" Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-20573eb852aso5247925ad.1 for ; Wed, 04 Sep 2024 06:25:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1725456317; x=1726061117; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=hIs7MeinccseyjglpvttZenxTG40vvELLgrx+T/yVvc=; b=ZEJFMCViEDHbt1YyUNDDLPQoWJAzMoaJfAY6UuutZ004b9as3AFL/YID/d8dr3beuo AQDSksXr5jSYNWd6RRFtTs6nIv08KVnNgiV0a/rV3mkLoHgr1TryvbTEj6awAOJUlqfi 9ABKaGUdnSzzlZil2F6decvTBJDj7V2t6UVkU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725456317; x=1726061117; 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=hIs7MeinccseyjglpvttZenxTG40vvELLgrx+T/yVvc=; b=wulg5tIY64z6KAccvbHlwJN0aKimlCFTflLZLTcTxL2ZxnMtffAjytDVPMf5OAqWuT aWTQPdXsQK2XwAtAngk8/VRe2y3n6Ky68S82z/3EKYM8qwdwkRiJcVyr2446x/T0DXe+ RgHeZ04QtKc6zBoHR07tI3G/4D9yFrHbrl8TJjte5md8Z/4+Nf8XUlBy377To2nMCA/+ mdhKTzliHSjTcPY8LnCndmOfSmfehyzAVq+ppauGqw3lHuWNEdGfqSXX5nn4Opbc5SaD QM/d97wNFn5HvWYawscqqm0JEUhnkI/v0A8NWgCkTeqA4cKYVUe6umuKrNc9kNhiHYPJ cFRQ== X-Forwarded-Encrypted: i=1; AJvYcCUDkvZlKx7JM66I3myIYoMvBhOocMsF36vlU0r8JxyIFW3x1SNKT7aslYAGttv5IRPyY54mzzQ4SupAsMg=@vger.kernel.org X-Gm-Message-State: AOJu0Yxd2kFxYbJLQutk9e/hyId8xNm0p9X+hGSsTxrBm4jJiJ2IlH4G FSE8w8mDRE4293sxhMQK0btKvY96sG50JrPCJwm7ARV+3ekNabesD76bhPWe+g== X-Google-Smtp-Source: AGHT+IERVgWhVCAuZsrsR3gmDMnf4CmrbR/HweyKQX8nGmOOyQPKMPzjm6YZWkK8KhvQN/oXoHzt3A== X-Received: by 2002:a17:903:283:b0:205:76c1:3742 with SMTP id d9443c01a7336-206b7d00d3amr38467745ad.3.1725456316924; Wed, 04 Sep 2024 06:25:16 -0700 (PDT) Received: from tigerii.tok.corp.google.com ([2401:fa00:8f:203:4132:a2a2:35bc:acba]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-206aea54e7bsm13479215ad.183.2024.09.04.06.25.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Sep 2024 06:25:16 -0700 (PDT) From: Sergey Senozhatsky To: Minchan Kim Cc: Andrew Morton , Richard Chang , linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [RFC PATCH 1/3] zram: introduce ZRAM_PP_SLOT flag Date: Wed, 4 Sep 2024 22:24:53 +0900 Message-ID: <20240904132508.2000743-2-senozhatsky@chromium.org> X-Mailer: git-send-email 2.46.0.469.g59c65b2a67-goog In-Reply-To: <20240904132508.2000743-1-senozhatsky@chromium.org> References: <20240904132508.2000743-1-senozhatsky@chromium.org> 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" This flag will indicate that the slot was selected as a candidate slot for post-processing (pp) and was assigned to a pp group. Signed-off-by: Sergey Senozhatsky --- drivers/block/zram/zram_drv.c | 3 +++ drivers/block/zram/zram_drv.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 1f1bf175a6c3..c91fdf399d1b 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1368,6 +1368,9 @@ static void zram_free_page(struct zram *zram, size_t = index) goto out; } =20 + if (zram_test_flag(zram, index, ZRAM_PP_SLOT)) + zram_clear_flag(zram, index, ZRAM_PP_SLOT); + handle =3D zram_get_handle(zram, index); if (!handle) return; diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index b976824ead67..e0578b3542ce 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -50,6 +50,7 @@ enum zram_pageflags { ZRAM_SAME, /* Page consists the same element */ ZRAM_WB, /* page is stored on backing_device */ ZRAM_UNDER_WB, /* page is under writeback */ + ZRAM_PP_SLOT, /* Selected for post-processing */ ZRAM_HUGE, /* Incompressible page */ ZRAM_IDLE, /* not accessed page since last idle marking */ ZRAM_INCOMPRESSIBLE, /* none of the algorithms could compress it */ --=20 2.46.0.469.g59c65b2a67-goog