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 71167C5AD5A for ; Wed, 12 Aug 2026 11:05:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6996C6B00E7; Wed, 12 Aug 2026 07:05:49 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6706B6B00E8; Wed, 12 Aug 2026 07:05:49 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5AD456B00E9; Wed, 12 Aug 2026 07:05:49 -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 37A706B00E7 for ; Wed, 12 Aug 2026 07:05:49 -0400 (EDT) Received: from smtpin20.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id B656F120178 for ; Wed, 12 Aug 2026 11:05:48 +0000 (UTC) X-FDA: 85092337176.20.726901B Received: from stravinsky.debian.org (stravinsky.debian.org [82.195.75.108]) by imf16.hostedemail.com (Postfix) with ESMTP id 1746E180005 for ; Wed, 12 Aug 2026 11:05:46 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=debian.org header.s=smtpauto.stravinsky header.b=IIoOqjaQ; spf=pass (imf16.hostedemail.com: domain of leitao@debian.org designates 82.195.75.108 as permitted sender) smtp.mailfrom=leitao@debian.org; dmarc=pass (policy=none) header.from=debian.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1786532747; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=w2apc6v0QyxEHj1VT4UFCYU/Xgf8d/neWcW5aoUtuf4=; b=kdlG+kpBu908QwmlCeK0TC3Ab3FTQKtSUWzn2Ll9JlUL5VQo3sJgmTsE7iVqttr6CjsnT6 Vry3VjF4lX8NsMJeXpLNjniTJtxOzv2yaBUaiO4NAtSG5FNMbTIEUSEojTole+FMIRk6R9 lLN5VW6XuR/j4FGHaqA/58mWIoOkytk= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=debian.org header.s=smtpauto.stravinsky header.b=IIoOqjaQ; spf=pass (imf16.hostedemail.com: domain of leitao@debian.org designates 82.195.75.108 as permitted sender) smtp.mailfrom=leitao@debian.org; dmarc=pass (policy=none) header.from=debian.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1786532747; b=yUfM03vSShO7sbo4Yp4px7NXtNq0MUTsJvOJqVRRABzjEbrRE39LJMRlUTh6v00soULwbe uQE6WwYStvYkfE7d567NvfP9SbsPAVeB6OOReIlWbJ8yOGUXMbPqZK9Wnuphg2pLlPmedD tYv5LlOO5liGbQps/PluDu920tHsRIE= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=w2apc6v0QyxEHj1VT4UFCYU/Xgf8d/neWcW5aoUtuf4=; b=IIoOqjaQhu4BnbYR28jckH5yD+ x9mZCttH/rA68W8Uts3XCDflZ77niHUFCUUrvf7UYJReCuzy7YBkabFWhZOyGozqqCYyDL+IqHFTf CM0bGfB6fDTNLpxH9+2GY5uzBFGqtyXc8EHksB+OlytQGwtWrJUK+8AeIgGGfRbvRt3EDDrmYUW5B xCq7PHBYE+ewsxn+1x6wW4wa1euIcOosU5DKdfDNH+OEGecvicOm0aFYDHp23dvlU81DLUeKb2TIj jHmWLZNaKzhQCoYXwwHM2qHAs5uYmtMlK4y0vOcpE4zrx182R4mb9cZkA5vxseFln4I42LWxjGKkV fVWD79eA==; Received: from authenticated-user by stravinsky.debian.org with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1wu6le-004IUn-3C; Wed, 12 Aug 2026 11:05:07 +0000 Date: Wed, 12 Aug 2026 04:05:00 -0700 From: Breno Leitao To: Andrew Morton Cc: Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jann Horn , Pedro Falcato , Hugh Dickins , Baolin Wang , Peter Xu , Johannes Weiner , Yosry Ahmed , Chengming Zhou , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH 0/3] mm, swap: don't spin or flood the console on a bad swap entry Message-ID: References: <20260810-swap-v1-0-375ef0767206@debian.org> <20260810102034.547699380bbe7aeb232344a9@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260810102034.547699380bbe7aeb232344a9@linux-foundation.org> X-Debian-User: leitao X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 1746E180005 X-Stat-Signature: pd1fcohnof6nb6hf74hh1btetxdjrmgi X-Rspam-User: X-HE-Tag: 1786532746-778044 X-HE-Meta: U2FsdGVkX1+0ktBHf+2AEfxHApHV6wd4MdudORtE92lD6H8qceVPp9FYTUnysEk4Hvp6oiSYPDPCWGix9UeXN83T1eB5m1SwldrtUsZGsdAv1fHAM++FYKTYdeGtSzz41+V/VgCAmTXFD+U2jPWovhg3hTxdfugFpQmvFC4+K+3NodNIKxIM8ER6ZKOqLTs028lyaHo8MAam2F5d2SUc5jbePr6JirklvJrrUkBhkbJHAdVgStffcvBngnOoY6AylExCDyt+LbgvAd7urkTROSgIZRcN/hQ1S4HLQi+N4zBubOiB6en8dcDfACXSQpT5dnHuU4EHB/r4FhnoOw0PNhx7YXsuHgAztntalnPT3kHwS10KYm2PKkk2n7uYzlfzPJ6Qh3H/8e4dlPueq5yCcVxlp4DOFzFllhM5+ONW4iHKtbMElg37GlE4RrncMdVtPbM5tgxzwU6jdRv3hHun0YdM5Hu9E8kaJFgZIc5YxGxzIKQQ6nqoMX7U1DuUThBdQwXrxAjmhgy9+N+QseNTdPEGWCv4veOj4Bfg1IL3ADcqlbUbMYytIoK9h3xrLu3ZRgXMIHtBKTLILYmdpLcg3TmGNx0RzRy6Z77d3C4Xnz1H4c8zKIOXp3iVO76yUCU0792IxdYalahYigRQSBuQBgsq9h/9Pu3L9aZpVG3llHDk6+fBNThSijnGVeuXQf1HnrzNbY/7piWPjvoCfG3PrXAHsILIQqYHYQCY5UCANcP9J9gNib0bstjN8qfggjAol8KlmkyKkC6PPwdxJKVu/uzIMw89E9RniPAuzAla8Uxmv/VPuVNM0y0fkVkX0ewLsMt5TihnYmqHWOsgGk6/C63R/BNjR3c6ltpuxeLhe2g16VFaDqJatI/AzEkO7ZwjeERiTdfaDtm5nlKw3Nl/lJq9BcZi2NsKQO/tc0X+OZqywTzq/y3UuJ/96PeFk6sqgv8Hn+Zwjsclii6P92F h6ACQntA HdeklrFRUjk/9p5X6HMwhlvm42rD3DBoxKh+Zh5UU9H27y57e2WzN9HcEd2xOBQFdEQVsGNTltFHEsP3LnQ/D9UulBUCRpQ20HHBWnJON+FyNZq4XyXLQlnXHGVOMD5JECboMTdu5R6zaluZDNTKBBCEzVxZbboGb77PiriEGKSCmc604SkGsBj6WtC4etjH2ldvbgYa0Pig1JDf9wvK+jAi3oRWnEa6GbJBu59BfujPMH91bb4B+siXbtcqw7hwuR1G5ycVnXYpiajVXbif3Kh7mxRyFiype/cmcUgYy8Tt2xPnThUwC/33DGumpN3Hg7Q0TwN4QFQ6laBFZ5Caa4NDi5w== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Aug 10, 2026 at 10:20:34AM -0700, Andrew Morton wrote: > On Mon, 10 Aug 2026 09:26:48 -0700 Breno Leitao wrote: > > Trying to fix it in a naive way: > > Thanks. Sashiko said a bunch of things, all pre-existing. > https://sashiko.dev/#/patchset/20260810-swap-v1-0-375ef0767206@debian.org > > You might wat to address the first one as it's on-topic for this > patchset. Ther are some swap things. The remainder are for the poor > uffd maintainers to scratch at, if inclined. Ack. Rate limiting swap_dup_entry_direct() is right on its own: it prints the same Bad_file message as get_swap_device() does, we have another case we want to rate limit as well. I will update and respin. --breno