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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D99DDCD98CF for ; Mon, 15 Jun 2026 13:36:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=j+/+BrNzlSAV/bNX3Lt5Nb73kf+eBwFrMX5PMl67EsI=; b=qKCYbUoKIMA4419KG7JwSDnEHm 8DrkKG3CTWPywNVa652ucmd0AdQGmh1ffuL0ADdVrkoxmxjFYufXVhLxIY8puCtB6u7OBYgqjGn3j rWPlz4hXZ9Dwql+nERFFdM+CulDBBQhZMwTiqwOkloFJYS/JKYwROFkDORlbM5xODO8ydhErzByft 5iSiLwOu7fbHlOUoZ0BDtTHM1IsHrI9TIPxgotZk9iXXOlkVDmQBegspJnmd2ioGB715P5SJe/E2k ZlJmHNYQfba7yKuN7hsapEvinba6BvYum8CwRTSg43Jt2skKtSwW0CB52+VFZUlsxtatSdUfaZtHU Y0tf7DRg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ7UD-0000000EJe0-3kWk; Mon, 15 Jun 2026 13:36:21 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wZ7UB-0000000EJdp-3TNY for kexec@lists.infradead.org; Mon, 15 Jun 2026 13:36:19 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 95EBF41848; Mon, 15 Jun 2026 13:36:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A1F21F000E9; Mon, 15 Jun 2026 13:36:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781530579; bh=j+/+BrNzlSAV/bNX3Lt5Nb73kf+eBwFrMX5PMl67EsI=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=oQ3vg+4EcEiFpfdAJUeexeqx/XnJyNBv2Bxf62fLM5fXnusWd6sSFBuWBobO9o8/n 9x5V3RUOKwDnkN4FBbIYOyDcwjqWVFpLgl20joI0J6Y7S4/iPlEzwgZb9VuNjhT1fg OP4SEHqTAPerquhrBUktvsRHQqT8nLm0itu7AfxoRt7xhITKSUpFWz7CrSTeaVzxmQ XPXUTF2tO+ELgPWl0BzehW0oNYS903owmmHTLts0R9yQQ1v+TYz4pPYZ07vzKcNRF8 q+3ezk40IgR4TxaJGbwALMfK3BtwhGqFmRZY6xnluf1bYitJRfp74rDJ2H1VldwW70 W/PuLgR+dgmEA== From: Pratyush Yadav To: Mike Rapoport Cc: Pratyush Yadav , Pasha Tatashin , Alexander Graf , Muchun Song , Oscar Salvador , David Hildenbrand , Andrew Morton , Jason Miu , Jork Loeser , kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 00/18] kho: make boot time huge page allocation work nicely with KHO In-Reply-To: <178143855109.2123877.12981752740377469952.b4-review@b4> (Mike Rapoport's message of "Sun, 14 Jun 2026 15:02:31 +0300") References: <20260605183501.3884950-1-pratyush@kernel.org> <178143855109.2123877.12981752740377469952.b4-review@b4> Date: Mon, 15 Jun 2026 15:36:16 +0200 Message-ID: <2vxzh5n4orhr.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Sun, Jun 14 2026, Mike Rapoport wrote: > On Fri, 05 Jun 2026 20:34:33 +0200, Pratyush Yadav wrote: > > Hi, > >> [...] >> allocated from scratch, they will fail to be preserved with the upcoming >> hugetlb preservation series [0]. >> >> Fix this by introducing the concept of extended scratch areas. They are >> areas that the kernel discovers on boot by walking the radix tree and >> finding free memory ranges. See patch 10 for more details. > > Overlall LGTM. > > I have some small comments here and there for now as I din't get into > all the details yet. Thanks for reviewing, much appreciated! :-) -- Regards, Pratyush Yadav