From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f74.google.com (mail-wr1-f74.google.com [209.85.221.74]) (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 19AA6379EFE for ; Thu, 26 Mar 2026 16:14:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774541647; cv=none; b=MnF5OXUnx7U8wjeWteDmcplLtDsBlWs9gLUHz6KvcI6xvsSl6LijleDXy7+R/rIRrXMNwe3u+nT4zxeggKnNssXTlmg0+9zrubwCPGG0CzzpVRWsrXzBpr2qjUtgJkCPCBoE4XU/dF9UP7Mqs5vY1ZBVRQwPUft5Oc+fVQDdOX0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774541647; c=relaxed/simple; bh=vsZ2lsO4ZAgsDEyROGW20rTvF4IM6Z4sTJGYSb+tHv4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=Vf5QIXuBk4BzJEMDd80IAx2ofx5yeSHvdH2UZTYJIYx+JW/MYf+Rgd16K+dGM7ymFCnpxD493Od/Su4eR1FXdxSVaH+zTN5MbJjNV4qisxiHSOFPlHLXn6IfI/YcHKDKRMDemFdyT/rL1NQaom2ihuOMh9NbKexCYb8CgVQ+f6k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jackmanb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=BcYAwOTm; arc=none smtp.client-ip=209.85.221.74 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=flex--jackmanb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="BcYAwOTm" Received: by mail-wr1-f74.google.com with SMTP id ffacd0b85a97d-43b40c22eaeso687901f8f.2 for ; Thu, 26 Mar 2026 09:14:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1774541644; x=1775146444; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=vsZ2lsO4ZAgsDEyROGW20rTvF4IM6Z4sTJGYSb+tHv4=; b=BcYAwOTmL0QDyjPZyNyD9Ic0vMtGB83tBfcygOqVUaCdUOe7E7FJg6uaox3Ykkv51b g9eg59bYWBeGK3rmH6SXv4xOa2uxuHJjsiVTBWFDYXfTfsTRPAp+nptdb6VME2ncKePL ApWMOtOz4XAStwPtxICnLAB4l+NBo3AiTpr702a3nCTaxQj+BG+4d8CHGOjyxS3y6kXS 1nYjNZ2KqZNZrMd8Zn9qbXmq5nYbDlHGksd5ooIgZgv3DAkHFQX3QcsFUGgLSGm1ylq6 HJduBIpbfez0UA/gtXpSIFIfnG9onzFFvvghd5Z2FflBDIosd+1NnKlzVe5MEMeHpzus Kung== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774541644; x=1775146444; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=vsZ2lsO4ZAgsDEyROGW20rTvF4IM6Z4sTJGYSb+tHv4=; b=qDj0Kl9MTeGTXnDEt4DLnrttwh95a6UfBljwMevOtEoml/l0b/ta9bBm4yv8EpQwEN JmkkFTaSJSu95P/lB03INqoy7SXZ30xqmtuKDEm0foAbbK4ebhfBszjxKJYoBH8K1T7J s9xQ/gGDU92EQTq+sZ0m6+hMF4E4y8Sm+HMuwhVW0d0K2XloxmiNvK7JGc2cA0YPVNKx yKGGWGquw1xZi3Vctu4ylvsfwmOpQVQtHTXYE9OYO3KbSzs8qE5iU0Whcknrqd9RV+Tm t0grsMvkHCinoviZ8uGJKQAGOOzSdd7gBwAR3syD78oPqj/RBDneNIZXWEzO35ZZbFhy nRIA== X-Forwarded-Encrypted: i=1; AJvYcCUlxofnzArnQhbC4xnvP9xgjtWUu98taZsEFVyJpZmbqgd8Wnw9fRl0hxPINBO8XNfGidV7jym3zIxeG1s=@vger.kernel.org X-Gm-Message-State: AOJu0Yzx0REvQqkg5q9nw5N15nbRTqgKV/VE+idAdnKsI7xkoPijR9Hs 7bEA9xV7te3tKaYVMmaDIHy+0SlqgJJ9qSXp0IlxgSjOpb48mwCDJviRjPLwxK5d4P3O0P8r4ju WBe0GmFJn3fGDQQ== X-Received: from wrus17.prod.google.com ([2002:a5d:6a91:0:b0:43b:86e0:73aa]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6000:18a8:b0:439:fe98:20f9 with SMTP id ffacd0b85a97d-43b88a0fb14mr12063113f8f.27.1774541644163; Thu, 26 Mar 2026 09:14:04 -0700 (PDT) Date: Thu, 26 Mar 2026 16:14:03 +0000 In-Reply-To: <20260320-page_alloc-unmapped-v2-5-28bf1bd54f41@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260320-page_alloc-unmapped-v2-0-28bf1bd54f41@google.com> <20260320-page_alloc-unmapped-v2-5-28bf1bd54f41@google.com> X-Mailer: aerc 0.21.0 Message-ID: Subject: Re: [PATCH v2 05/22] mm: Add more flags for __apply_to_page_range() From: Brendan Jackman To: Brendan Jackman , Borislav Petkov , Dave Hansen , Peter Zijlstra , Andrew Morton , David Hildenbrand , Vlastimil Babka , Wei Xu , Johannes Weiner , Zi Yan , Lorenzo Stoakes Cc: , , , , Sumit Garg , , , Will Deacon , , "Kalyazin, Nikita" , , "Itazuri, Takahiro" , Andy Lutomirski , David Kaplan , Thomas Gleixner , Yosry Ahmed Content-Type: text/plain; charset="UTF-8" Looking at the next AI review from [0]... [0] https://sashiko.dev/#/patchset/20260320-page_alloc-unmapped-v2-0-28bf1bd54f41%40google.com I'll keep it short this time: the patch is complete rubbish. In case anyone is reading this please skip it for now. The details of how this is implemented are orthogonal to the rest of the patchset anyway.