linux-kernel - Re: [PATCH 0/8] Convert powerpc to default topdown mmap layout

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Date:   Wed, 24 Nov 2021 19:00:06 +0100
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Nicholas Piggin <npiggin@...il.com>, alex@...ti.fr,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>
Cc:     linux-mm@...ck.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] Convert powerpc to default topdown mmap layout



Le 24/11/2021 à 14:40, Christophe Leroy a écrit :
> 
> 
> Le 24/11/2021 à 14:21, Nicholas Piggin a écrit :
>> Excerpts from Christophe Leroy's message of November 22, 2021 6:48 pm:
>>> This series converts powerpc to default topdown mmap layout.
>>>
>>> powerpc provides its own arch_get_unmapped_area() only when
>>> slices are needed, which is only for book3s/64. First part of
>>> the series moves slices into book3s/64 specific directories
>>> and cleans up other subarchitectures.
>>>
>>> Then a small modification is done to core mm to allow
>>> powerpc to still provide its own arch_randomize_brk()
>>>
>>> Last part converts to default topdown mmap layout.
>>
>> A nice series but will clash badly with the CONFIG_HASH_MMU
>> series of course. One will have to be rebased if they are
>> both to be merged.
>>
> 
> No worry, it should be an issue.
> 
> If you already forsee that series being merged soon, I can rebase my 
> series on top of it just now.
> 

In patchwork, v3 is flagged as superseded and I can't find a v4. Do you 
have it somewhere ?

Christophe