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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k23si13922333edk.283.2022.02.03.09.52.27; Thu, 03 Feb 2022 09:52:52 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.de header.s=susede2_rsa header.b="M/SKFXYh"; dkim=neutral (no key) header.i=@suse.de header.s=susede2_ed25519 header.b=hsKjmKbg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=suse.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239082AbiBBQf2 (ORCPT + 99 others); Wed, 2 Feb 2022 11:35:28 -0500 Received: from smtp-out2.suse.de ([195.135.220.29]:53082 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229538AbiBBQf1 (ORCPT ); Wed, 2 Feb 2022 11:35:27 -0500 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 97A6E1F384; Wed, 2 Feb 2022 16:35:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1643819726; h=from:from:reply-to: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=4Dd4PVcW8Gh92qdOSXS52+1meGC/lQXnewRPI3vvCWE=; b=M/SKFXYhXQ0yaSChw6wIxQwQ5d7HBnBbnYDlWEH+hnqD2gnRU3+xCI+6AWEYpiwh1tZdAu KtJW8t4cx4QWxS5Zk62NXbTFdF8LzZ/KzDdwHjY0IPBREvgkfYKKJBsC6NFxl0sOiX45a/ hZg94FHTstR+iwC2GeJTfVyDJOOjisk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1643819726; h=from:from:reply-to: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=4Dd4PVcW8Gh92qdOSXS52+1meGC/lQXnewRPI3vvCWE=; b=hsKjmKbgvjeh8w2ffnsVRR8qq8GIDQrxEVIgm82LLhaDtX8FUazOVZXfsAC08LwbHR+9cf G0oQWZAD3QabcgCw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id DC30813E99; Wed, 2 Feb 2022 16:35:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id HM+JMcyy+mFZNgAAMHmgww (envelope-from ); Wed, 02 Feb 2022 16:35:24 +0000 Date: Wed, 2 Feb 2022 17:35:22 +0100 From: Oscar Salvador To: David Hildenbrand Cc: Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Michael Ellerman , Christoph Hellwig , Marek Szyprowski , Robin Murphy , linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, Vlastimil Babka , Mel Gorman , Eric Ren Subject: Re: [PATCH v4 3/7] mm: page_isolation: check specified range for unmovable pages Message-ID: References: <20220119190623.1029355-1-zi.yan@sent.com> <20220119190623.1029355-4-zi.yan@sent.com> <21c196f8-18ca-d720-4241-00c9461854d3@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <21c196f8-18ca-d720-4241-00c9461854d3@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 02, 2022 at 01:25:28PM +0100, David Hildenbrand wrote: > That's the whole idea for being able to allocate parts of an unmovable > pageblock that are movable. > > If the first part is unmovable but the second part is movable, nothing > should stop us from trying to allocate the second part. Yeah, I see, I was a bit slow there, but I see the point now. Thanks David -- Oscar Salvador SUSE Labs