From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 011E1C83007 for ; Tue, 28 Apr 2020 21:00:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1CDC206F0 for ; Tue, 28 Apr 2020 21:00:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="a6WjH7SP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726512AbgD1VAg (ORCPT ); Tue, 28 Apr 2020 17:00:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726859AbgD1U7p (ORCPT ); Tue, 28 Apr 2020 16:59:45 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31F7CC03C1AD; Tue, 28 Apr 2020 13:59:45 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id w20so268885ljj.0; Tue, 28 Apr 2020 13:59:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=OuCOh3fsoWi6ozxFbpjNX5HY0vVVouy9K1NPB0pENcE=; b=a6WjH7SPzi25N3JUy2dkzivo4WGLRcCpkpzaqYd6Fw0ka1nWZ/UmlbhMBdnhfVQZYB HNBoFRwvjYE2EnmhQFmBD1dpL5CQuXbjQdRsGrIa4lkDWaJLuS69980noZub88/DhT1O qzO1eDhPuABdmhTdtRkUmQNtAZZAQtD2Z5G+BTVuESXENUVSC3W9Tu6W2wGy3d4KjRmS LX18i7FFkX5xC3XqnidCDkeJ5qNyHJxcVU1lclTp+09yAtpHLWXQFx+XJTqjf2H0WlCE W+Td6Bmf8S8OSSLGjZNe/shh34hNqnCMEUxV9L5lnNBNUgbUPwVTrRQ1BEsme+NE0eQB bJjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=OuCOh3fsoWi6ozxFbpjNX5HY0vVVouy9K1NPB0pENcE=; b=suvnKF58ibtCH0O6SXWw73W87EDie8fYSRCexJytColB4g7EipJLFz/EnpQnp5ORtB iBk1MVEORgoz26COCRsAsyfnIcJolYkTzMvaUP14p4nTz/yc2t/9AZF2NpoEgvHKwmTx 7EFcv0+aJBFx3L0tMBJFqP7cpg4yaljiKW8UoxKf9LnAUAifaFUxHWciW4uEha0KRbcV GoQG0vJn5JnKV7F62dPOhmynEOlhCH6ZlXi/ziDtdXktRYQ1iGhssNpfJY+6v3NpAA6h G774cdi7q9mTvi790DWMX+kzTY4dydGyx6/6BqSnLG/KpbFqd4B+SC5vchhNLMpQkyuv Z4mw== X-Gm-Message-State: AGi0PuYATdyHzMC7z65j/ytKIvj6Ny+xrWJtp+7494RVWvlfcvjLR6uF 9FzhQSDpkLNlyv3A8YYHJtRjirw2un9Hng== X-Google-Smtp-Source: APiQypLj2b3ByApuoJPSgTS0qYmKq2vkv6PNL4ow5it/sNzKhbIbo7wxp7EgYlwk1Y9ymdWadjFIbQ== X-Received: by 2002:a2e:9cd:: with SMTP id 196mr3759962ljj.226.1588107583396; Tue, 28 Apr 2020 13:59:43 -0700 (PDT) Received: from pc638.lan (h5ef52e31.seluork.dyn.perspektivbredband.net. [94.245.46.49]) by smtp.gmail.com with ESMTPSA id z21sm295483ljh.42.2020.04.28.13.59.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Apr 2020 13:59:42 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: LKML , linux-mm@kvack.org Cc: Andrew Morton , "Paul E . McKenney" , "Theodore Y . Ts'o" , Matthew Wilcox , Joel Fernandes , RCU , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH 12/24] rcu/tiny: support vmalloc in tiny-RCU Date: Tue, 28 Apr 2020 22:58:51 +0200 Message-Id: <20200428205903.61704-13-urezki@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200428205903.61704-1-urezki@gmail.com> References: <20200428205903.61704-1-urezki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: rcu-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org Replace kfree() with kvfree() in rcu_reclaim_tiny(). So it becomes possible to release either SLAB memory or vmalloc one after a GP. Signed-off-by: Uladzislau Rezki (Sony) --- kernel/rcu/tiny.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c index dd572ce7c747..4b99f7b88bee 100644 --- a/kernel/rcu/tiny.c +++ b/kernel/rcu/tiny.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "rcu.h" @@ -86,7 +87,7 @@ static inline bool rcu_reclaim_tiny(struct rcu_head *head) rcu_lock_acquire(&rcu_callback_map); if (__is_kfree_rcu_offset(offset)) { trace_rcu_invoke_kfree_callback("", head, offset); - kfree((void *)head - offset); + kvfree((void *)head - offset); rcu_lock_release(&rcu_callback_map); return true; } -- 2.20.1