From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-180.mta0.migadu.com (out-180.mta0.migadu.com [91.218.175.180]) (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 D2FAD20299B for ; Sun, 15 Mar 2026 13:12:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773580345; cv=none; b=H/UokAfzfeu8gdr2Sds8XBtCeC8/dM1ZLtieJtf24T64p3KcG/cxv5wWxhe/YAoGsiaEzhMLUNNt8mNGI15mXXRrpBa7t5BpawzsC0EnsJURRmwl6o0klMPVfIgC4FoCf6w5Izc6CLLmki6/zzYAzT0YIw4gYl78evOSW6U1j50= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773580345; c=relaxed/simple; bh=3gNzQRdnU3vCcN2PUBYD0NQ9J3vae2VxeRuOByNrWEk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dmj2YvH59ZtgWV6JpFFKYKjnoGjcjOyrBidsiakeiMq2FMVyEYE9xW44dPKtfqBjMTt+FBMoL8lKZVOA8OQzlLPEeSMwzEz2siLdjgIJUcLQLAOPwPJR0KdM4eWKLp15nttSXBpLnTrhVrYqE2CMPPhmFW3JYsHDPT7vPehIPTo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=o2amTglJ; arc=none smtp.client-ip=91.218.175.180 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) header.d=linux.dev header.i=@linux.dev header.b="o2amTglJ" Message-ID: <0c2bd25d-1577-4935-8ebe-0762b480abfc@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1773580331; h=from:from: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; bh=26yBis00uiMPtDS8aUzlNEkKNIcpZ/qQQw/Qafqh+68=; b=o2amTglJM3JAnBL6XV4rgGAEVqgVrlFKflEOc3Ws/663wYLicZXtcSTQH/CQ0q1REGRYv7 mGvwb23SMOEbTqnr41lCerM107hhoFBtbAjKPHTtYT3pQe/gOvLCwEtJ/RqlAFkasmWRHd scrDdVGDWCGhUBisO8rX4k/SyQwUvEo= Date: Sun, 15 Mar 2026 16:12:02 +0300 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v5] binfmt_elf: Align eligible read-only PT_LOAD segments to PMD_SIZE for THP Content-Language: en-GB To: Lance Yang , r@hev.cc, Ryan Roberts Cc: viro@zeniv.linux.org.uk, brauner@kernel.org, david@kernel.org, jack@suse.cz, kees@kernel.org, willy@infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, baolin.wang@linux.alibaba.com References: <20260313005211.882831-1-r@hev.cc> <20260315034647.8462-1-lance.yang@linux.dev> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Usama Arif In-Reply-To: <20260315034647.8462-1-lance.yang@linux.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 15/03/2026 06:46, Lance Yang wrote: > Hi Rui, > > CC Baolin and Usama > > It would be better to keep earlier CC list across revisions, especially > for people who have already reviewed or were explicitly include before. > Otherwise, they may simply never see subsequent revisions, and from > their side the discussion just stops there ... > > Thanks, > Lance > Thanks! Also adding Ryan who did the exec_folio_order() work for ARM, and also raised good concerns in [1] The problem is not just alignment for elf, we need to fix more things like mmap heuristics [2] and how unmapped areas are gotten [3]. [1] https://lore.kernel.org/all/cfdfca9c-4752-4037-a289-03e6e7a00d47@arm.com/ [2] https://lore.kernel.org/all/20260310145406.3073394-3-usama.arif@linux.dev/ [3] https://lore.kernel.org/all/20260310145406.3073394-5-usama.arif@linux.dev/