Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp518285ybt; Fri, 26 Jun 2020 05:16:22 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxfFp8rrySP8AAZcILyiWo3meVHNrd/nkBPR9Hx+lPB/qU5NpGNRGC3V0WN4UdJJenn9gcY X-Received: by 2002:a17:906:9243:: with SMTP id c3mr2327419ejx.400.1593173782378; Fri, 26 Jun 2020 05:16:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593173782; cv=none; d=google.com; s=arc-20160816; b=tmKiZXUO9eW8UVp4BcylLAy54oHEdlP0JhCf5scsmxWvlyJ88DEEhvLu4PtsAWIEEl ZospIqkKNxfxspE/UPbJLfhzjhHB57ikX7FTXIiNURuLSzEEsfp6QE/fvJ6Q7RY/nprc JNQz3oMpWg0uD3a5qxcxIC4QdbuQlEaQF41lelHfaWwxvCm+PP/LrBy/q1d432jzd6b6 s0fD2Mg/r/Zk9CIb6K/Z11Qr681UZaOmkS4h2ED5OvoNYCN3vboyWh9nCQEOLxeyKrmz Z3xQVtgLNQLMyv64pntizZn57T/UhG3vXH85z0RdHk7qNa09cWkvJ7qO5mz75zhcmFhT tPBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=UhC02ZrJwUOXRau97XzM6vW8gjdBSlzOvXhM67FZeGU=; b=tjcC2QkCBxRpvAc0XX3x+HEnN6feDKGGYPC+jCMhTCDy0tpNV6Veh04L/ltQKZzXGS KRcqgsK4AtgiYbPf76VI0Dil11EjnlvPNOax6ezJ8Oax2AiYQFToXV5iz+/8g59T3DKb /dsBZLPYOBABEa9vCLALp7BQs0eKMVuLyRoDNRyD8f0z6XURdHPFEWBP7ocKzc3TYDPU bByi27PmoqqQwOBEKA1FgMwzcy2QWVnj4kyH4YafX0Tuf2euKpU2l1E4mx3Ppui00tTZ iKxet7NgKGCyqk9zeYdm1aa1KlmpBlzjM1r0IwX/DXIksv2wOHO7UEoMlXznE87SqWDn 9Alw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b22si12178053edt.334.2020.06.26.05.15.59; Fri, 26 Jun 2020 05:16:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728363AbgFZLRP (ORCPT + 99 others); Fri, 26 Jun 2020 07:17:15 -0400 Received: from mx2.suse.de ([195.135.220.15]:42280 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728290AbgFZLRP (ORCPT ); Fri, 26 Jun 2020 07:17:15 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 9D8EFAC7A; Fri, 26 Jun 2020 11:17:13 +0000 (UTC) Date: Fri, 26 Jun 2020 13:17:11 +0200 From: Joerg Roedel To: Peter Zijlstra Cc: Joerg Roedel , x86@kernel.org, hpa@zytor.com, Dave Hansen , Andy Lutomirski , Andrew Morton , Steven Rostedt , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] x86/mm: Pre-allocate p4d/pud pages for vmalloc area Message-ID: <20200626111711.GO14101@suse.de> References: <20200626093450.27741-1-joro@8bytes.org> <20200626110731.GC4817@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200626110731.GC4817@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 26, 2020 at 01:07:31PM +0200, Peter Zijlstra wrote: > Can't we now remove arch_sync_kernel_mappings() from this same file? Only if we panic on allocation failure. Joerg