From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-177.mta0.migadu.com (out-177.mta0.migadu.com [91.218.175.177]) (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 8668667E62 for ; Tue, 20 Feb 2024 11:37:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708429049; cv=none; b=udVD9QDRcDGKGOKBSw4qHl07nIx/qdh/PAm5SQJtJSMGRahVvhtTGu8d9qvSOSHNOouNRQOkM2laYwCw1NOLYqflJ7Tc6WgUTlgbEEj6R/FfLfd9jXTWmWk5fG8NxFobNwSKrdcmRVrs3ct4gmd1PtADnEG1lcf5Madhn5vTUik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708429049; c=relaxed/simple; bh=u0BD650aenviDMkexxkYIC3vVeZXhWA7U/Zaa8RAnoI=; h=Subject:MIME-Version:Content-Type:From:Date:Message-Id:To:Cc; b=Hqqsy7hUQxIdY/yjWbFlWCW9+JtZ6QPJOe9THc97M36OcCPD9wlM2T1TkZkRUwRCvNiISEydxwGc9/TLW5YnghG2+NfSQn8PXqHErPmjs1QehrbAJgTKZ6KFqZCW+RwPYCxm1tA5LXeG7MzL1jYVA8yEb3PgIKolNq8PaoFDHKE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=aSRHd7rF; arc=none smtp.client-ip=91.218.175.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="aSRHd7rF" Subject: [PATCH RESEND 0/3] mm/zsmalloc: fix and optimize objects/page migration DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1708429044; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=wK3jAFMoRRShh/6Xlb4Wy7eZ55CIyOLuDDLesxWb60E=; b=aSRHd7rFNs9ReBPtz9Se1im3/m/GcFiFJQ5FE+i2nCs7Pitnfhl2hAo7HTJeskqcIDo6Tf 1mxqudLodJErPmx9qR4Xu6GY/NespWGwtMrmoYWbpTuhKQLV+dP0JdiTQRO6SNMY8AsUhP kxz6pTPI5UrAmurxpfSJLNwQAibFgDY= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-b4-tracking: H4sIANmO1GUC/32NQQrCMBBFr1Jm7UgSUyWuvIe4yKRDG0gTSGqhlt7dwQO4+rwP7/8dGtfIDe7dDp XX2GLJAvrUQZh8HhnjIAxGGauMdkgW22f2KZWAcxyrXxidcTdtjCZSGsQk3xip+hwmcfM7JSmn2JZS t9/TqiWe/0dXjQovNgzWhWtve3rQtvAgo3wOZYbXcRxfTq7Vbr8AAAA= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Chengming Zhou Date: Tue, 20 Feb 2024 11:36:57 +0000 Message-Id: <20240219-b4-szmalloc-migrate-v1-0-fc21039bed7b@linux.dev> To: hannes@cmpxchg.org, Sergey Senozhatsky , Minchan Kim , Andrew Morton , nphamcs@gmail.com, yosryahmed@google.com Cc: linux-mm@kvack.org, Chengming Zhou , linux-kernel@vger.kernel.org X-Developer-Signature: v=1; a=ed25519-sha256; t=1708429041; l=1162; i=chengming.zhou@linux.dev; s=20240220; h=from:subject:message-id; bh=u0BD650aenviDMkexxkYIC3vVeZXhWA7U/Zaa8RAnoI=; b=MIOQ87+xlG/4a34STTbnKRHRDuAUYK0iSc5rWvCaoG+mW8iELShm09k730ypEX2jTdl5bD65d 7Dg/SY9HhN+D3R3Y/uHyh02AGkDosXRKSBCkhvxhJtWnT4K49cq2b2F X-Developer-Key: i=chengming.zhou@linux.dev; a=ed25519; pk=5+68Wfci+T30FoQos5RH+hfToF6SlC+S9LMPSPBFWuw= X-Migadu-Flow: FLOW_OUT RESEND: - The sent patches were put into spam folder because of my mail problem, so resend after I fixed it, sorry! It should be ok this time. - Link to v1: https://lore.kernel.org/r/20240219-b4-szmalloc-migrate-v1-0-34cd49c6545b@bytedance.com Hello, This series is to fix and optimize the zsmalloc objects/page migration. patch 01 fix the empty migrate_write_lock() when !CONFIG_COMPACTION. patch 02 remove the migrate_write_lock_nested() in objects migration. patch 03 remove the unused zspage->isolated counter in page migration. Thanks for review and comments! Signed-off-by: Chengming Zhou --- Chengming Zhou (3): mm/zsmalloc: fix migrate_write_lock() when !CONFIG_COMPACTION mm/zsmalloc: remove migrate_write_lock_nested() mm/zsmalloc: remove unused zspage->isolated mm/zsmalloc.c | 63 ++++++++--------------------------------------------------- 1 file changed, 8 insertions(+), 55 deletions(-) --- base-commit: 9951769060d8f5eb001acaca67c1439d2cfe1c6b change-id: 20240219-b4-szmalloc-migrate-92971221bb01 Best regards, -- Chengming Zhou