linux-kernel - Re: [RFC PATCH] mm, memory_hotplug: fix off-by-one in is_pageblock

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Message-ID: <20190220083343.g5hdxxmekqsjwo63@d104.suse.de>
Date:   Wed, 20 Feb 2019 09:33:47 +0100
From:   Oscar Salvador <osalvador@...e.de>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Matthew Wilcox <willy@...radead.org>,
        Oscar Salvador <OSalvador@...e.com>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org,
        Michal Hocko <mhocko@...e.com>, rong.a.chen@...el.com
Subject: Re: [RFC PATCH] mm, memory_hotplug: fix off-by-one in
 is_pageblock_removable

On Mon, Feb 18, 2019 at 07:15:44PM +0100, Michal Hocko wrote:
> From: Michal Hocko <mhocko@...e.com>

> Fixes: efad4e475c31 ("mm, memory_hotplug: is_mem_section_removable do not pass the end of a zone")
> Reported-by: <rong.a.chen@...el.com>
> Signed-off-by: Michal Hocko <mhocko@...e.com>

Looks good to me.
I glanced quickly over the memhotplug code and I did not see any other place
that could trigger the same problem.

Reviewed-by: Oscar Salvador <osalvador@...e.de>

-- 
Oscar Salvador
SUSE L3