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 97F8AC433F5 for ; Wed, 30 Mar 2022 23:55:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1246A6B0072; Wed, 30 Mar 2022 19:55:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0D4A98D0002; Wed, 30 Mar 2022 19:55:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EDEF88D0001; Wed, 30 Mar 2022 19:54:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.27]) by kanga.kvack.org (Postfix) with ESMTP id DC4F86B0072 for ; Wed, 30 Mar 2022 19:54:59 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 9C27D80CD0 for ; Wed, 30 Mar 2022 23:54:59 +0000 (UTC) X-FDA: 79302710718.06.1ABEB59 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf19.hostedemail.com (Postfix) with ESMTP id 23CD51A0004 for ; Wed, 30 Mar 2022 23:54:58 +0000 (UTC) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1648684497; 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: in-reply-to:in-reply-to:references:references; bh=F7H0Whtjpqs59w2OpfQeqBlIIs/NhVNiIQQ169K/rKc=; b=bOxbIsLJsbGICa31gQoiX8QfSkeywkPPgjllv0ZLYj2Bzbt61R5dohRn9w/a/+TQThT4zb KKmIOrwA603a1fcDQCAjavl0ry87UH5BAOxu4j2JGTHIftNdB39b5gmbmNHzkyOcxNqyb+ GeFmR6duu8tC1MAgMaWAa7yA0r16aHADYnJnB97QfmmzjC5Sj65GWWssbe/4/E3VOOW65L ltFX+k+300lobnnVsEbeTV8ScEevB0oABFKgc15KUM2Nv/O5j29l/EO3XciTzH6GV5h5TG OWGuR9QZx+6m8AlzfFdgaIUxiGb0xIV5g3C2gJ74u9T3dT9BBITM6ThCjfk00g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1648684497; 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: in-reply-to:in-reply-to:references:references; bh=F7H0Whtjpqs59w2OpfQeqBlIIs/NhVNiIQQ169K/rKc=; b=FuUAB4fiuYWzcVcT1OIVi9p//D/d/z33rwhq0gQp+o+4KFg/VXi9SA8hEcuUh/8nzCTVUV T2D+SE3/xd+RztAQ== To: Song Liu , linux-mm@kvack.org, bpf@vger.kernel.org, netdev@vger.kernel.org, x86@kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kernel-team@fb.com, akpm@linux-foundation.org, pmenzel@molgen.mpg.de, rick.p.edgecombe@intel.com, Song Liu Subject: Re: [PATCH bpf 3/4] x86: select HAVE_ARCH_HUGE_VMALLOC_FLAG for X86_64 In-Reply-To: <20220330225642.1163897-4-song@kernel.org> References: <20220330225642.1163897-1-song@kernel.org> <20220330225642.1163897-4-song@kernel.org> Date: Thu, 31 Mar 2022 01:54:56 +0200 Message-ID: <87tubfm1wv.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Rspam-User: X-Stat-Signature: ojntg7351aw4n51tyngho4hid6ymprto Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b=bOxbIsLJ; dkim=pass header.d=linutronix.de header.s=2020e header.b=FuUAB4fi; spf=pass (imf19.hostedemail.com: domain of tglx@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=tglx@linutronix.de; dmarc=pass (policy=none) header.from=linutronix.de X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 23CD51A0004 X-HE-Tag: 1648684498-355992 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: On Wed, Mar 30 2022 at 15:56, Song Liu wrote: > As HAVE_ARCH_HUGE_VMALLOC is not ready for X86_64, enable > HAVE_ARCH_HUGE_VMALLOC_FLAG to allow bpf_prog_pack to allocate huge > pages. Despite HAVE_ARCH_HUGE_VMALLOC being not ready for X86_64 enable it nevertheless? I assume you wanted to say something like this: The shortcomings of huge vmalloc allocations have been fixed in the memory management core code, so reenable HAVE_ARCH_HUGE_VMALLOC. Thanks, tglx