From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (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 B208114B820 for ; Sat, 24 Feb 2024 21:00:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708808459; cv=none; b=IwgoTenDyPR7sTlHJFP4a/ge56qERKFirXOdZsm/Ba4ddx0cGn5/WRCF937SC/NjkRaRl2hwt8SIeTSmXzsDiK6BvUWW9T+XT53cBXi0VjiJ6eWYd1Ol+LpWC7DRp9UlT3d9KJhTQlD8MyG391ElRZKV1Jxpkt8letwuKqkAZwU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708808459; c=relaxed/simple; bh=g7TeQCQGEEhoKY6gH7aJ6Lplh/L+wcAYROQ4jmZPUsg=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=rA5OJFzzHAALyw5zlSXjUTeOgOcjDAImLjEu+csENiWJfVjLspx/XTFOXZA91fp+gY24+Sr1LbDdiIMtSXYxo39h8DhL6RWFzOyh0QYZYv2NRJRyP7AdGFcS8mlZnXQXE76ZbSnjWaBcbxitK6wvvADJtOGY8CszyHSHtHYC1lM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=XgWlK35p; arc=none smtp.client-ip=209.85.214.182 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=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="XgWlK35p" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-1dc744f54d0so127295ad.0 for ; Sat, 24 Feb 2024 13:00:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1708808457; x=1709413257; darn=vger.kernel.org; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to; bh=X3wcsrUGLumHpSftRKJTOmQHGqRsK0TVAD3bFgayXNU=; b=XgWlK35pBg2Qu918oWk50yO0TiidlFxGs1R1Q4uTJO3o+HQJsyclVuT+gdvJMG2emI 5iIgD0LG6CPtOFKoe9l3quWXU2ECwI/iV4IdqN2K32C0M+fF6cq4m4q/rdedbGbuXkxb CTpEpq0XIVDQQdmgP6KyG88/fDpw++X0Zfu6Ojpu+wLM3aGGw53rPn1gNSPJ1LCNoNr1 8mcnwh1uUdGdSy7d4qBnQWFvomFWtLWhonUNvf5FvgrVF+iHwLHcG0AghVqfoMTTOZO0 /rD9sCdxDRukgr9mQHHA5tPAJ3pTqVlrus3ykB0MyCl5bbrrChwl9PBvGeK9RiP+D8nk ux3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708808457; x=1709413257; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=X3wcsrUGLumHpSftRKJTOmQHGqRsK0TVAD3bFgayXNU=; b=K2bbznFlHo8qBJj69H73DQo9H2CH2pm9GZrPWNigtouwnRhQ5T8aWzyPK83X9eGBYl 1EqRTOiOihQbBvora8p96PdVbIG7BsEZux1wwEK+Zjk9NYOfyPBw+tkWa8iw0fZU1abs e9yL3gJ/fpcNwcTxOWSX2aTU2UfUQXW/4v3lGGtusJe25skY2cjCNvkaimcxkA6KgPcc xL77Cm0rj5PXM6ACcdQn9tejciRLxeueaZBjsKZCycE4pc6/Q8M38Qg3v00WOo6qrM34 Uz9J+2ZFe8deb0/C/S3sS6EpVQcGkKOFYSN837Q2lfznV7nXrWRPWNwndSybgOMEt4cR tVsQ== X-Forwarded-Encrypted: i=1; AJvYcCW0U734nQo7C6IV5dP67RyXb3kw3VzIzGywzlSTXsc8eGzsDW7y0sJBoFL6ML9DsxvoeN/9Le8oW1umJqjgQp2AVlXxTNzZWAQONjtY X-Gm-Message-State: AOJu0Yw2TMBBePSkZ6w7bQ5Br4WILMLlqS9NQh9mMD61D4MXiCRuWF2u eRWuf+z4EsyxYVjCxnUaL6bZE17xNcadUfptrWE3+RE9inOcHmtexED5kXbPuw== X-Google-Smtp-Source: AGHT+IHHjY6nDOg9bhJ9dnvkhwcKQxgZDtnK9Oc8W19R4Kq2nhzVvKBtt9UwlJ02WykCA+dTBfe6BA== X-Received: by 2002:a17:903:84b:b0:1dc:f0e:51 with SMTP id ks11-20020a170903084b00b001dc0f0e0051mr189957plb.17.1708808456663; Sat, 24 Feb 2024 13:00:56 -0800 (PST) Received: from [2620:0:1008:15:ce41:1384:fbb2:c9bc] ([2620:0:1008:15:ce41:1384:fbb2:c9bc]) by smtp.gmail.com with ESMTPSA id bx33-20020a056a02052100b005dc507e8d13sm1252883pgb.91.2024.02.24.13.00.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Feb 2024 13:00:56 -0800 (PST) Date: Sat, 24 Feb 2024 13:00:55 -0800 (PST) From: David Rientjes To: Vlastimil Babka cc: Christoph Lameter , Pekka Enberg , Joonsoo Kim , Andrew Morton , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Zheng Yejian , Xiongwei Song , Chengming Zhou , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, Steven Rostedt Subject: Re: [PATCH v2 1/3] mm, slab: deprecate SLAB_MEM_SPREAD flag In-Reply-To: <20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz> Message-ID: References: <20240223-slab-cleanup-flags-v2-0-02f1753e8303@suse.cz> <20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz> 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=US-ASCII On Fri, 23 Feb 2024, Vlastimil Babka wrote: > The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was > removed. SLUB instead relies on the page allocator's NUMA policies. > Change the flag's value to 0 to free up the value it had, and mark it > for full removal once all users are gone. > > Reported-by: Steven Rostedt > Closes: https://lore.kernel.org/all/20240131172027.10f64405@gandalf.local.home/ > Reviewed-and-tested-by: Xiongwei Song > Reviewed-by: Chengming Zhou > Reviewed-by: Roman Gushchin > Signed-off-by: Vlastimil Babka Acked-by: David Rientjes