From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.78 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792913166; b=W45v9rZxVJMsbIhYIB+TqdKhEQajrhu0ufRMijLhGxv9k/0bwVM9nFJtO7BuSJZFM3yL hS457hhk1d0aI52Yqr4GPJRwEwEPWNmvgkjdsFh06aETCwTuoVDB+yRf0i7gCiMfOePD7 49b8hYMYVhizmezXhpsYU1KemynMZ7Eo7cHMpus2fWqpEgDltwvkOymkW0GSI2EejsgE4 AbsINhR5L+Qre6l25n9NmhlOfjwOBBrQi+NFY3cKG/4LwhrSqq1GRoXYoZGIGt5Ouaoqs gLgFIdScGoa+a4vokv48jICrP6ftSqBJM79aBtnvhMZ35eAaYQOutyUw1tkaS610SVw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792913166; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=j9KSsqg4A137dhfxHCtQJ3v4H0Z3Fv0RGgyT9sIdyTM=; b=mFj2j9tvtkXw3n+WZsuzSPhNtQL6tyAO/pMoMoMfBxKFGLeeRb368ne7NHhW7WCCKqNl WHvbSDmOQyp5LWc/hNDDwFovv6QrC8YdwVhRGttTH2C4FyqitF13Qfv28LD8QVlkmI+Fk 2JHTAwsCh/x+fZLGswocXau7ER1VCBte+1BtMkbHwaq1N/7FCGyKDPtYP+W4hBcKge0pg eMSeTYsSdU4ImGi+jrlHOfBzNxeoBDihvzg8XRiJYq7XVlDJt7Rw8Men/iaUvycwut259 iGqnrqRLocRIVArQUhxP8SQbVSoM6uzEUXhuLxhLBvvOcc//2bxFsK9yRjKohf9a7Rw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=SrylrmSI; arc=none smtp.remote-ip=91.218.175.78 Received: from mta0.migadu.com (out-78.mta0.migadu.com [91.218.175.78]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 896C2606A31D for ; Sun, 25 Oct 2026 07:26:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 896C2606A31D 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, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=SrylrmSI X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=EX8dlYfY5NSf0gGAQukKQCIqou6iNOsLwD+U7YkkxHM=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792913161; v=1; x=1793517961; b=SrylrmSI51G99gfF6hP20BW1YezhxVFD2E9TcQm9rb+kJyGod8R9UFeYM6oOD81yF6EmKP2a Cc7uTvxq0o6eOPxCE4pAEqTqOXP3yM9Z7W4JamGMlFNRx6/ZfN5JtJTLvu3e35ENVW7M1jFEBZL wR28/ZW6JvosYCN7CyRmoWgg= X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 483da7f721b1c77a; Sun, 25 Oct 2026 07:25:59 +0000 X-Mizu-Trace-ID: 483da7f721b1c77a X-Migadu-Flow: FLOW_OUT Message-ID: Date: Sun, 25 Oct 2026 15:25:46 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 7/9] mm/vmscan: pass scan_control to mm_vmscan_balance_pgdat_end To: Barry Song Cc: Steven Rostedt , Masami Hiramatsu , Andrew Morton , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Dave Chinner , Mathieu Desnoyers , Muchun Song , Qi Zheng , David Hildenbrand , Lorenzo Stoakes , Kairui Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , Baolin Wang , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, bpf@vger.kernel.org, Ridong Chen References: <20261019034426.2354049-1-ridong.chen@linux.dev> <20261019042308.2372396-2-ridong.chen@linux.dev> From: Ridong Chen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 10/25/2026 6:24 AM, Barry Song wrote: > On Mon, Oct 19, 2026 at 12:24 PM Ridong Chen wrote: >> >> From: Ridong Chen >> >> balance_pgdat() passes sc.order and sc.nr_reclaimed to >> mm_vmscan_balance_pgdat_end as bare arguments. Pass the enclosing >> struct scan_control instead and read the fields out in TP_fast_assign, >> consistent with the other reclaim tracepoints. highest_zoneidx stays a >> separate argument: it is a balance_pgdat() parameter, and >> sc.reclaim_idx may differ from it by the time the end event fires. >> >> No functional change. The tracefs event format (TP_STRUCT__entry and >> TP_printk) is unchanged, so tracefs-based consumers are unaffected. >> BPF programs attached via raw_tp/tp_btf see the new TP_PROTO and need >> to be adjusted; tracepoints are not a stable ABI (see >> Documentation/bpf/bpf_design_QA.rst). >> >> Assisted-by: LLM >> Signed-off-by: Ridong Chen > > Could we combine patches 4–7 into a single patch? The changes > seem a bit too scattered across separate patches. > Sure, I split the patches just to make them easier to review, since each one contains only small changes. -- Best regards Ridong