From: David Hildenbrand <david@redhat.com>
To: Alexandre Ghiti <alex@ghiti.fr>, Jonathan Corbet <corbet@lwn.net>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>, Arnd Bergmann <arnd@arndb.de>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
linux-arch@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2/3] Documentation: riscv: Add documentation that describes the VM layout
Date: Thu, 25 Feb 2021 11:34:13 +0100 [thread overview]
Message-ID: <5279e97c-3841-717c-2a16-c249a61573f9@redhat.com> (raw)
In-Reply-To: <20210225080453.1314-3-alex@ghiti.fr>
| | | |> +
ffffffc000000000 | -256 GB | ffffffc7ffffffff | 32 GB | kasan
> + ffffffcefee00000 | -196 GB | ffffffcefeffffff | 2 MB | fixmap
> + ffffffceff000000 | -196 GB | ffffffceffffffff | 16 MB | PCI io
> + ffffffcf00000000 | -196 GB | ffffffcfffffffff | 4 GB | vmemmap
> + ffffffd000000000 | -192 GB | ffffffdfffffffff | 64 GB | vmalloc/ioremap space
> + ffffffe000000000 | -128 GB | ffffffff7fffffff | 126 GB | direct mapping of all physical memory
^ So you could never ever have more than 126 GB, correct?
I assume that's nothing new.
--
Thanks,
David / dhildenb
WARNING: multiple messages have this Message-ID (diff)
From: David Hildenbrand <david@redhat.com>
To: Alexandre Ghiti <alex@ghiti.fr>, Jonathan Corbet <corbet@lwn.net>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>, Arnd Bergmann <arnd@arndb.de>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
linux-arch@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2/3] Documentation: riscv: Add documentation that describes the VM layout
Date: Thu, 25 Feb 2021 11:34:13 +0100 [thread overview]
Message-ID: <5279e97c-3841-717c-2a16-c249a61573f9@redhat.com> (raw)
In-Reply-To: <20210225080453.1314-3-alex@ghiti.fr>
| | | |> +
ffffffc000000000 | -256 GB | ffffffc7ffffffff | 32 GB | kasan
> + ffffffcefee00000 | -196 GB | ffffffcefeffffff | 2 MB | fixmap
> + ffffffceff000000 | -196 GB | ffffffceffffffff | 16 MB | PCI io
> + ffffffcf00000000 | -196 GB | ffffffcfffffffff | 4 GB | vmemmap
> + ffffffd000000000 | -192 GB | ffffffdfffffffff | 64 GB | vmalloc/ioremap space
> + ffffffe000000000 | -128 GB | ffffffff7fffffff | 126 GB | direct mapping of all physical memory
^ So you could never ever have more than 126 GB, correct?
I assume that's nothing new.
--
Thanks,
David / dhildenb
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http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2021-02-25 10:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 8:04 [PATCH 0/3] Move kernel mapping outside the linear mapping Alexandre Ghiti
2021-02-25 8:04 ` Alexandre Ghiti
2021-02-25 8:04 ` [PATCH 1/3] riscv: Move kernel mapping outside of " Alexandre Ghiti
2021-02-25 8:04 ` Alexandre Ghiti
2021-02-25 8:04 ` [PATCH 2/3] Documentation: riscv: Add documentation that describes the VM layout Alexandre Ghiti
2021-02-25 8:04 ` Alexandre Ghiti
2021-02-25 10:34 ` David Hildenbrand [this message]
2021-02-25 10:34 ` David Hildenbrand
2021-02-25 11:56 ` Alex Ghiti
2021-02-25 11:56 ` Alex Ghiti
2021-03-10 11:42 ` Arnd Bergmann
2021-03-10 11:42 ` Arnd Bergmann
2021-03-10 11:42 ` Arnd Bergmann
2021-03-10 19:12 ` Alex Ghiti
2021-03-10 19:12 ` Alex Ghiti
2021-03-11 8:42 ` Arnd Bergmann
2021-03-11 8:42 ` Arnd Bergmann
2021-03-11 8:42 ` Arnd Bergmann
2021-03-13 8:23 ` Alex Ghiti
2021-03-13 8:23 ` Alex Ghiti
2021-03-13 22:34 ` Arnd Bergmann
2021-03-13 22:34 ` Arnd Bergmann
2021-03-13 22:34 ` Arnd Bergmann
2021-02-25 8:04 ` [PATCH 3/3] riscv: Prepare ptdump for vm layout dynamic addresses Alexandre Ghiti
2021-02-25 8:04 ` Alexandre Ghiti
2021-03-10 2:54 ` [PATCH 0/3] Move kernel mapping outside the linear mapping Palmer Dabbelt
2021-03-10 2:54 ` Palmer Dabbelt
2021-03-13 9:26 ` Alex Ghiti
2021-03-13 9:26 ` Alex Ghiti
2021-03-17 5:05 ` Palmer Dabbelt
2021-03-17 5:05 ` Palmer Dabbelt
2021-03-20 8:48 ` Alex Ghiti
2021-03-20 8:48 ` Alex Ghiti
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