linux-kernel - Re: [PATCH v4 3/3] x86/vmemmap: Handle unpopulated sub-pmd ranges

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Message-ID: <YEfoH8US4YVxak7r@localhost.localdomain>
Date:   Tue, 9 Mar 2021 22:26:55 +0100
From:   Oscar Salvador <osalvador@...e.de>
To:     Zi Yan <ziy@...dia.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H . Peter Anvin" <hpa@...or.com>,
        Michal Hocko <mhocko@...nel.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/3] x86/vmemmap: Handle unpopulated sub-pmd ranges

On Tue, Mar 09, 2021 at 02:39:02PM -0500, Zi Yan wrote:
> Hi Oscar,
> 
> vmemmap_use_new_sub_pmd and vmemmap_use_sub_pmd are not defined when CONFIG_SPARSEMEM_VMEMMAP
> and !CONFIG_MEMORY_HOTPLUG. It leads to compilation errors.

Meh, yeah, that's right.

I fixed that up, I will send a v6.

Thanks for noticing!



-- 
Oscar Salvador
SUSE L3