From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 D3245272801 for ; Mon, 3 Aug 2026 09:30:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785749439; cv=none; b=onStB2xzCyz39mXG8OK3ciVbjInrVVs+jsX9RhN0dRZMAuECdeKR1L807EGHIDaYqhdncbydIgT6I0SSXpNa6stSwZ5oRPc0eGZgETh7RPLtg0ClJqNQ3eS+VbDSUI/M3bv/86aR2XOTc1XLrQ3bUn6AwxXQBK4Qg+s1LmIwJK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785749439; c=relaxed/simple; bh=jkVTko2+hAd8757dwjShJ6cbcHMw3yy1cjlSDh4v8T8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=unDKuRHoEBuH1BZorWi/lS9kQ1RJ/f0yEXA4Z9ItzykUYy2/xBxGjDq5yjLn+lYCMpmZ+rWLxf8YzChpTZkr4OmUP4CocYdnIincV7Wphzn/lIUKAHiHQxwmepfg3wNKF41VtLNWuGlHg3+fUL8HNQzyHOKbLedp3Wzb95pC0Is= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V8vyRB9Q; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V8vyRB9Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD37C1F000E9; Mon, 3 Aug 2026 09:30:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785749427; bh=Zjh5R7JiqdaVW/vRw+XBY0BM+01RpjpIK/UObm893hw=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=V8vyRB9Qh24DBIJLDfn63WPRgS18/lHWUS4HBAJ0kTRWs6ZmedVmrCFmdddwSe4vT 5a0v2VRt5ZYF6TJxFZwRb1kVWG0YzNUsPMwcAAGbA4uDcJEF/RKLQSX8rqVzICiBFK wnYqhWReKHBGiV7anEVAJaGcQmWGl3MSdB9t3zQ/iEg40HOuduZvuPpHYG05/754K7 XG+lX0uv11g4BdHt+e1xaoiyCkvEbxHPh73il4Jr5qzEZqtI84vTO82GyeRuaXCF2j g+Bocdwto/LOymtNfLqr2FLm519accY0LBWjIBRxn4mX676u+9ri7OPH9VwSB1th1V JnRJiYNYE+Jpw== Message-ID: Date: Mon, 3 Aug 2026 11:30:20 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 22/26] mm: Minimal KUnit tests for some new page_alloc logic Content-Language: en-US To: Brendan Jackman , Borislav Petkov , Dave Hansen , Peter Zijlstra , Andrew Morton , David Hildenbrand , Mike Rapoport , Wei Xu , Johannes Weiner , Zi Yan , Lorenzo Stoakes Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, x86@kernel.org, Sumit Garg , Will Deacon , rientjes@google.com, "Kalyazin, Nikita" , patrick.roy@linux.dev, "Itazuri, Takahiro" , Andy Lutomirski , David Kaplan , Thomas Gleixner , Yosry Ahmed , Patrick Bellasi , Reiji Watanabe , Sean Christopherson References: <20260726-page_alloc-unmapped-v3-0-6f5729aa9832@google.com> <20260726-page_alloc-unmapped-v3-22-6f5729aa9832@google.com> From: "Vlastimil Babka (SUSE)" Autocrypt: addr=vbabka@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/27/26 00:22, Brendan Jackman wrote: > Add a simple smoke test for ALLOC_UNMAPPED that tries to exercise > flipping pageblocks between mapped/unmapped state. > > Also add some basic tests for some freelist-indexing helpers. > > Simplest way to run these on x86: > > tools/testing/kunit/kunit.py run --arch=x86_64 "page_alloc.*" \ > --kconfig_add CONFIG_MERMAP=y --kconfig_add CONFIG_PAGE_ALLOC_UNMAPPED=y > > Signed-off-by: Brendan Jackman Acked-by: Vlastimil Babka (SUSE)