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

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To: Zi Yan <ziy@xxxxxxxxxx>
Subject: Re: [PATCH v4 3/3] x86/vmemmap: Handle unpopulated sub-pmd ranges
From: Oscar Salvador <osalvador@xxxxxxx>
Date: Tue, 9 Mar 2021 22:26:55 +0100
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, x86@xxxxxxxxxx, "H . Peter Anvin" <hpa@xxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <380379B8-5331-447F-84E7-FB55EABA1C51@nvidia.com>
References: <20210301083230.30924-1-osalvador@suse.de> <20210301083230.30924-4-osalvador@suse.de> <380379B8-5331-447F-84E7-FB55EABA1C51@nvidia.com>

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

References:
- [PATCH v4 0/3] Cleanup and fixups for vmemmap handling
  - From: Oscar Salvador
- [PATCH v4 3/3] x86/vmemmap: Handle unpopulated sub-pmd ranges
  - From: Oscar Salvador
- Re: [PATCH v4 3/3] x86/vmemmap: Handle unpopulated sub-pmd ranges
  - From: Zi Yan

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