linux-kernel - Re: [PATCH 1/2] mm, memory_hotplug: do not fail offlining too early

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Message-ID: <20171011141616.7mo6g7qnd3df7ab5@dhcp22.suse.cz>
Date:   Wed, 11 Oct 2017 16:16:16 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
        Reza Arbab <arbab@...ux.vnet.ibm.com>,
        Yasuaki Ishimatsu <yasu.isimatu@...il.com>,
        qiuxishi@...wei.com, Igor Mammedov <imammedo@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [PATCH 1/2] mm, memory_hotplug: do not fail offlining too early

On Wed 11-10-17 19:35:04, Anshuman Khandual wrote:
[...]
> >   $ grep __init_begin /proc/kallsyms
> >   c000000000d70000 T __init_begin
> >   $ ./page-types -r -a 0x0,0xd7
> >                flags	page-count       MB  symbolic-flags			long-symbolic-flags
> >   0x0000000100000000	       215       13  __________________________r_______________	reserved
> >                total	       215       13
> 
> Hey Michael,
> 
> What tool is this 'page-types' ?

tools/vm/page-types.c

-- 
Michal Hocko
SUSE Labs