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Date:   Thu, 26 Sep 2019 13:23:39 +0300
From:   "Kirill A. Shutemov" <kirill@shutemov.name>
To:     Steve Wahl <steve.wahl@hpe.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        Juergen Gross <jgross@suse.com>,
        Brijesh Singh <brijesh.singh@amd.com>,
        Jordan Borgner <mail@jordan-borgner.de>,
        Feng Tang <feng.tang@intel.com>, linux-kernel@vger.kernel.org,
        Zhenzhong Duan <zhenzhong.duan@oracle.com>,
        Dave Hansen <dave.hansen@intel.com>,
        Baoquan He <bhe@redhat.com>, russ.anderson@hpe.com,
        dimitri.sivanich@hpe.com, mike.travis@hpe.com
Subject: Re: [PATCH v3 2/2] x86/boot/64: round memory hole size up to next
 PMD page.
Message-ID: <20190926102339.owzlugs6sro6rodn@box>
References: <cover.1569358538.git.steve.wahl@hpe.com>
 <df4f49f05c0c27f108234eb93db5c613d09ea62e.1569358539.git.steve.wahl@hpe.com>
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On Tue, Sep 24, 2019 at 04:04:31PM -0500, Steve Wahl wrote:
> The kernel image map is created using PMD pages, which can include
> some extra space beyond what's actually needed.  Round the size of the
> memory hole we search for up to the next PMD boundary, to be certain
> all of the space to be mapped is usable RAM and includes no reserved
> areas.
> 
> Signed-off-by: Steve Wahl <steve.wahl@hpe.com>
> Cc: stable@vger.kernel.org

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

-- 
 Kirill A. Shutemov