From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1518721205; cv=none; d=google.com; s=arc-20160816; b=RpDEYp2jLOshozrUgFZ6DHCtdLAQjKfpc69ahrCE7tq6bYR9Oi7k4uLQbNqUFhvgv1 boDuYmEevo2nwwsaSavU8YK1XLGK2U7Betgb8SYz+b766DUHkRlMl1bXX8UqmPEfzft1 0JCE0QofTg4gwGHIadm9Ob9iq6JIbi2mr9BxItOHXr8ZJ/X0Xa7h/TASOfHBz6BRDLZP 3Ctlst3xJpcSZhevziGVilU71LWcTWxqdgm84y+hv4bQfeL8WcCueJ5C0ZGzynDlUy6R k+snyH8cGis/osE6orBa2QAZbJdYHt766hPo2+aPzkGAZqweCyMLK3FiL+s1o1Pz45vO Ohzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:sender:dkim-signature :arc-authentication-results; bh=cK03mt6sgEV8OJnWfsb+TPCgve0vT6yoh/hQcnViDoc=; b=RbADPNR+6f2fji9LmmAKUfFbq2i2RpCKCh6PCX1mc020Z4Ngld5gdg9HIjsILmBO2E bTkGWVI7W0Oo1EEQg+5kQeB6mNjtSchODvlXDdEUlPcQ3/t/fGFi/6u9vdIJiTMBFzdQ q4wJ/JAnU4iuGNbGtWRb0x2NhjCC5t+NewLUhfVYc8GCBbEkscl9dHfj3B6en9TrJdY0 snFyblLJ3afhuzhoYqe8NayAXQ5XZrNz6q5d//xZflwtrB26prPi7eU+m19Qxogoy+sC KeANqgaN5CbDjgrIFohJxaxUBqNOVIKWuOB4wn+q2QhALkG5SiIA4Lr/pbDNH2SnUnnV tW9g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=sSAxcv0t; spf=pass (google.com: domain of mingo.kernel.org@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=mingo.kernel.org@gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=sSAxcv0t; spf=pass (google.com: domain of mingo.kernel.org@gmail.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=mingo.kernel.org@gmail.com X-Google-Smtp-Source: AH8x225kr8MwKJNcLvMRyRaYmI2+1X0LH6qvoVQAvIperlycZZZXGCxltSYl5Plp1f1+eSdC1SYyDQ== Sender: Ingo Molnar Date: Thu, 15 Feb 2018 20:00:01 +0100 From: Ingo Molnar To: Pavel Tatashin Cc: Michal Hocko , Steve Sistare , Daniel Jordan , Andrew Morton , Mel Gorman , Linux Memory Management List , Linux Kernel Mailing List , Greg Kroah-Hartman , Vlastimil Babka , Bharata B Rao , Thomas Gleixner , mingo@redhat.com, hpa@zytor.com, x86@kernel.org, dan.j.williams@intel.com, kirill.shutemov@linux.intel.com, bhe@redhat.com Subject: Re: [PATCH v3 2/4] x86/mm/memory_hotplug: determine block size based on the end of boot memory Message-ID: <20180215190001.rbvrb74jxpvs6vrz@gmail.com> References: <20180213193159.14606-1-pasha.tatashin@oracle.com> <20180213193159.14606-3-pasha.tatashin@oracle.com> <20180215113725.GC7275@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170609 (1.8.3) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1592315446070110278?= X-GMAIL-MSGID: =?utf-8?q?1592494607564304892?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: * Pavel Tatashin wrote: > > I dunno. If x86 maintainers are OK with this then why not, but I do not > > like how this is x86 specific. I would much rather address this by > > making the memblock user interface more sane. > > > > Hi Michal, > > Ingo Molnar reviewed this patch, and Okayed it. But I'd not be against robustifying the whole generic interface against such misconfiguration either. But having the warning should be enough in practice, right? Thanks, Ingo