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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v23-20020a17090651d700b008b17ac6b0fbsi22328609ejk.512.2023.02.22.19.05.44; Wed, 22 Feb 2023 19:06:07 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=eXWiDf6C; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233044AbjBWDFc (ORCPT + 99 others); Wed, 22 Feb 2023 22:05:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233883AbjBWDFS (ORCPT ); Wed, 22 Feb 2023 22:05:18 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A00B34740C for ; Wed, 22 Feb 2023 19:05:12 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id i10so2359460plr.9 for ; Wed, 22 Feb 2023 19:05:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; 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=BpGG/okMdj5ni9xegYLzCx8QuNxJjUnFEqNX1SXn5aY=; b=eXWiDf6CYI70E3qaKKdmQKpYXcXl5mJcHwRXnE9PqLSpLMIBznVHG6rsd6Yik0X/kL 7XBQaZKnWMaK+ZCn7rGTemi+XWQrhgo9ktJrz62HQnL1ZI8wqWskCMnCOUoRKkFs/oq2 x5q7YV9lJ90uWhY6HMhvkqjtbT42l++wXe/Sg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=BpGG/okMdj5ni9xegYLzCx8QuNxJjUnFEqNX1SXn5aY=; b=K31aiZZT3KDW4nh5Yb11W7XXuBgF+3+vkIbnAz9Dx4Fxb45JIrMPSV/4C03YMaKGJj czrS/mEmu4ZAHuulthxubrCSB3Esnv18VYybS4DFPGETw9mAH2wyQiYvglGN1Xhowm3t Zm6cOpay9J1N0uWzjCSANdZCvFQwu3CpejLaUJ+uYxrwQjbh5bwKgYeRSKLLiRIXBeD2 1YJijpnD2UJZJ7SkIm44yQ8g0sZ916+5nqfMLTSqODBL75vrd/SeweFPrBPDSrGpcrAt fy44QvE5NO/yQf6OZt+fwpvdA6UolxGU21f/e7TkJ8zi896HuooS6iwYLK+b8jwZ27jL ktbw== X-Gm-Message-State: AO0yUKWrTDw1LVGi0XyO4woD59knjuxIBCvvmiHPr3mpLph7MEHk2l2v uTi3awTVq7qnk8NQ2S6S9VkNLGiwBdsnFQ7M X-Received: by 2002:a17:902:e5c9:b0:19c:355c:6eb5 with SMTP id u9-20020a170902e5c900b0019c355c6eb5mr14014208plf.30.1677121512118; Wed, 22 Feb 2023 19:05:12 -0800 (PST) Received: from tigerii.tok.corp.google.com ([2401:fa00:8f:203:6de2:9e85:b508:57b8]) by smtp.gmail.com with ESMTPSA id jl21-20020a170903135500b0019926c77577sm608520plb.90.2023.02.22.19.05.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Feb 2023 19:05:11 -0800 (PST) From: Sergey Senozhatsky To: Minchan Kim , Andrew Morton Cc: Yosry Ahmed , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Sergey Senozhatsky Subject: [PATCHv2 5/6] zsmalloc: extend compaction statistics Date: Thu, 23 Feb 2023 12:04:50 +0900 Message-Id: <20230223030451.543162-6-senozhatsky@chromium.org> X-Mailer: git-send-email 2.39.2.637.g21b0678d19-goog In-Reply-To: <20230223030451.543162-1-senozhatsky@chromium.org> References: <20230223030451.543162-1-senozhatsky@chromium.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758589425242190925?= X-GMAIL-MSGID: =?utf-8?q?1758589425242190925?= Extend zsmalloc zs_pool_stats with a new member that holds the number of objects pool compaction moved between pool pages. Signed-off-by: Sergey Senozhatsky --- include/linux/zsmalloc.h | 2 ++ mm/zsmalloc.c | 1 + 2 files changed, 3 insertions(+) diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h index a48cd0ffe57d..8b3fa5b4a68c 100644 --- a/include/linux/zsmalloc.h +++ b/include/linux/zsmalloc.h @@ -36,6 +36,8 @@ enum zs_mapmode { struct zs_pool_stats { /* How many pages were migrated (freed) */ atomic_long_t pages_compacted; + /* How many objects were migrated during compaction */ + atomic_long_t objs_moved; }; struct zs_pool; diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index eacf9e32da5c..f7e69df48fb0 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1815,6 +1815,7 @@ static void migrate_zspage(struct zs_pool *pool, struct size_class *class, obj_idx++; record_obj(handle, free_obj); obj_free(class->size, used_obj, NULL); + atomic_long_inc(&pool->stats.objs_moved); } /* Remember last position in this iteration */