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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DD6DC48BC3 for ; Tue, 20 Feb 2024 06:57:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A8F116B0082; Tue, 20 Feb 2024 01:57:36 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A3F216B0085; Tue, 20 Feb 2024 01:57:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 906C46B008A; Tue, 20 Feb 2024 01:57:36 -0500 (EST) 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 7D8966B0082 for ; Tue, 20 Feb 2024 01:57:36 -0500 (EST) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 526B3A05D3 for ; Tue, 20 Feb 2024 06:57:36 +0000 (UTC) X-FDA: 81811276512.21.01A1796 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf29.hostedemail.com (Postfix) with ESMTP id B4CB1120009 for ; Tue, 20 Feb 2024 06:57:31 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=nzp4aMC8; dmarc=none; spf=none (imf29.hostedemail.com: domain of BATV+d5dc426667c65ded4f96+7485+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+d5dc426667c65ded4f96+7485+infradead.org+hch@bombadil.srs.infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1708412253; 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=q8FjFUgbGtrdH9r+Zx3fwtEx1ifY0qtNhxFEpLR734I=; b=E4SWvq84EjlGNl/yHVrgvewTW3IundHSQ8kYeqZ5RxFveIa/Zjym4kNE8GnSGbBzedri2D n6G40Xt/m+zRqpKTODCm2HGmS95SdzWmQnLvXUITDBjrq4cpmT1C3TU6NMttzLC0SsJnh2 kGh/9/7qpBdj+Pb6xUfSL1kfTBXS7j0= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=nzp4aMC8; dmarc=none; spf=none (imf29.hostedemail.com: domain of BATV+d5dc426667c65ded4f96+7485+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+d5dc426667c65ded4f96+7485+infradead.org+hch@bombadil.srs.infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1708412253; a=rsa-sha256; cv=none; b=BfLwFmW2VTblvFRtC8ddACbq5c/OVq0O5ngGvOK6nvQULsLlEaR9ZuvHKAm1QqDaE/rgiC yMFx0UYb+6mRbkB6R72otBbdrIiJSqGUvoWuW22SWVjPb6dSbVUJuWxbL+JyeW6o5US3L/ yee+mwh6kRiKXUa60VuhSpBz8dpH/p0= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=q8FjFUgbGtrdH9r+Zx3fwtEx1ifY0qtNhxFEpLR734I=; b=nzp4aMC8iHHt+N/vjDR+St78uC 9h/qR+FxaqRVKXV0lKE4zA1nTpsHkPsSdS3T6V1hqYI7VBLPh8l/VEKVsAEiTKYiQRzS7BzPFqt6g M/dkG/7P5vR/Ue/2buzeBLBhJwVU4Qc746kHbQU0VyzEoFAdKjXc8ME2gnoZKGatPNhn6waj0MELi vI5gO5aUspLydUk4ets1YVGXc01qKQVS9YYhlQsH3ZFzIFgdnVn1fnox0iC7Pbvwa9CqS9neGhSWe zDA1GuZ6OYagpluN5JVx2AzoRe121egQp1ty/bxOPaKFPJi0Wq9qIjo0C3jbeOOu12/wWKCRPT6uh 3VSjVG0A==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcK4D-0000000DRJj-2DVQ; Tue, 20 Feb 2024 06:57:25 +0000 Date: Mon, 19 Feb 2024 22:57:25 -0800 From: Christoph Hellwig To: Alexei Starovoitov Cc: Christoph Hellwig , Linus Torvalds , bpf , Daniel Borkmann , Andrii Nakryiko , Kumar Kartikeya Dwivedi , Eddy Z , Tejun Heo , Barret Rhoden , Johannes Weiner , Lorenzo Stoakes , Andrew Morton , Uladzislau Rezki , linux-mm , Kernel Team Subject: Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel. Message-ID: References: <20240209040608.98927-1-alexei.starovoitov@gmail.com> <20240209040608.98927-5-alexei.starovoitov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: B4CB1120009 X-Stat-Signature: tgqww5qdihpnith4w8kynpzxij1k95uq X-Rspam-User: X-HE-Tag: 1708412251-746694 X-HE-Meta: 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 jAQAqSoI ztD3gqn6aygMMJPJKcBSpyHdazTF9pPgOojjYaAgITVp6f3CwYkiKMzwTZKgaadEm3ZVpkY+VZtasp97xISeE8cps9MaGVKj7sJgLhaMqmBX0F9GnBT6N4G6A7Crh+axctK5duvC8tDMHccoVIn3StBW7HLi6BYMucZPQHVJIQAfOE2ws70wwynccHmMAtPvNBya8SbFIVNHVH/0Yh4s2Av3GBa69NivQdhJPkyrF26Uz+Tw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Feb 16, 2024 at 08:54:08AM -0800, Alexei Starovoitov wrote: > "vmalloc like allocation that grows" is not what I'm after. > I need 4G+guard region at the start. > Please read my earlier email and reply to my questions and api proposals. > Replying to half of the sentence, and out of context, is not a > productive discussion. If you can explain what you are trying to do to the reviewers you're doing something wrong..