linux-kernel - Re: [RFC PATCH 0/3] Allocate memmap from hotadded memory (per device)

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Message-ID: <3c18e078-25df-3fd4-9988-1b7677d8e05f@redhat.com>
Date:   Thu, 22 Oct 2020 15:01:44 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Oscar Salvador <osalvador@...e.de>
Cc:     mhocko@...nel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, vbabka@...e.cz, pasha.tatashin@...een.com
Subject: Re: [RFC PATCH 0/3] Allocate memmap from hotadded memory (per device)

> This does not go without saying that the patchset is not 100% complete.
> It is missing:
> 
>  - a way to disable memmap_on_memory (either sysfs or boot_time cmd)
>  - atm, arch_add_memory for s390 screams if an altmap is passed.
>    I am still thinking of a way to nicely drop handle that.
>    Maybe a function in s390 that sets memmap_on_memory false and
>    stuff that check in support_memmap_on_memory function.

Or simply implement altmap support ... shouldn't be too hard :)


-- 
Thanks,

David / dhildenb