From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 78602C88E75 for ; Wed, 16 Sep 2026 02:34:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7AD1B6B008C; Tue, 15 Sep 2026 22:34:27 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 75D7D6B0095; Tue, 15 Sep 2026 22:34:27 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 64CC56B009E; Tue, 15 Sep 2026 22:34:27 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 3C07F6B008C for ; Tue, 15 Sep 2026 22:34:27 -0400 (EDT) Received: from smtpin28.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 737BA1204F2 for ; Wed, 16 Sep 2026 02:34:26 +0000 (UTC) X-FDA: 85218056532.28.0C5DA50 Received: from mta0.migadu.com (out-169.mta0.migadu.com [91.218.175.169]) by imf24.hostedemail.com (Postfix) with ESMTP id 84B64180004 for ; Wed, 16 Sep 2026 02:34:24 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=X0uDq3ty; spf=pass (imf24.hostedemail.com: domain of muchun.song@linux.dev designates 91.218.175.169 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1789526064; b=IL/ObrxdXLBLGWNaE65/k16E8G94ygh/+mbjeO8nvS4KRzhMMZZ5B4CpPAbsqfoz4UY1i9 bosoWLiidPkag4a2ZA+MhGhLavStEXV0brClTxvgXJUNsozVycTGjF196IAWk/GCU96ZjA V7iQiZ0+SduwOd27tRBeW8kVuAX09d4= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=X0uDq3ty; spf=pass (imf24.hostedemail.com: domain of muchun.song@linux.dev designates 91.218.175.169 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1789526064; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=K0bRwCmTolpefuw0nse2H7XhXQFIihMypMEdXle4hr8=; b=s3tecKZQO+vj1NV9mQEx6mNbgDQLKRa2dD7L4uM9Byf9Uz0doQlQPltAw/bq6Z87H24svS v1fKPvLfuTtz7eJPdkBEMrKQJpSlQ8h1QCy+gkzSR8dhbR4r8SLpQAGSiWW0D3eEo5RcFx SpqLaRymNFlG1nwVUy0wTyCODHZr52I= X-Envelope-To: linux-mm@kvack.org DKIM-Signature: a=rsa-sha256; bh=Hs8628BmLtIotljSK0JYWBNuNJKKbRI+x10DyPysmnY=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1789526063; v=1; x=1790130863; b=X0uDq3tyjfjcc6QfQvDcr/90SRBbfV6B7yyrcc4ytPZ9mAf3gftiAh16p+3YlCMQQ0jBsyBM HpMGKYzggI2IjROZPTD/PPoxQpmyYWjSQ62AH6r4QXRYfdk5Rqvz7QyyA73ANw1KFSaHLrImX4v QqIYnwuUCChWksYraqJeyRqo= X-Envelope-To: linux-mm@kvack.org Received: by mta12.migadu.com with ESMTPS id 4843396426b2392f; Wed, 16 Sep 2026 02:34:22 +0000 X-Mizu-Trace-ID: 4843396426b2392f X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.700.51.1.1\)) Subject: Re: [PATCH v3 07/11] mm: memcontrol: constify the reclaim protection helpers From: Muchun Song In-Reply-To: <20260915-folio_memcg-const-v3-7-c239a6010b58@columbia.edu> Date: Wed, 16 Sep 2026 10:34:02 +0800 Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Kairui Song , Qi Zheng , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Baoquan He , Baolin Wang , Chris Li , Kemeng Shi , Nhat Pham , Youngjun Park , "Matthew Wilcox (Oracle)" , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <6770F941-463A-486A-990B-BF4533823434@linux.dev> References: <20260915-folio_memcg-const-v3-0-c239a6010b58@columbia.edu> <20260915-folio_memcg-const-v3-7-c239a6010b58@columbia.edu> To: Tal Zussman X-Mailer: Apple Mail (2.3864.700.51.1.1) X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 84B64180004 X-Rspam-User: X-Stat-Signature: xnjf57szq1w9czfqzif7jmj88p911ezx X-HE-Tag: 1789526064-542668 X-HE-Meta: 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 jHyEWjdG EVoH7rtJ9QmFnJhbZOvMtoW9TOwfwCJ2jrVuJkbjvhvVl/xeFVcFe/YTQwPf42I/GZ1oIoBkpr2Wt0w/Z01qRQX7IxqQehYnjLRjsrA1hNfIsU6t+jMyv7QMrSnKwoD/+yp3vQpyvklhOubAwf4+PMzb+QZqsV485M7/tuC25hGGgoBJlUXAXAkOn2BwYb5U1Naz1Easmh3CODfeJWhGH0QxjDJR2NXRSlwXaR6nzJONvFOL0rboRAA+opyeZMx/aeHG1rG2gRs3VNjw= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Sep 16, 2026, at 07:20, Tal Zussman wrote: > > mem_cgroup_protection(), mem_cgroup_unprotected(), > mem_cgroup_below_low(), and mem_cgroup_below_min() only read the > protection state. Constify them. > > Signed-off-by: Tal Zussman Acked-by: Muchun Song Thanks.