* [PATCH] x86/mm: Fix documentation of module mapping with 4-level paging
@ 2018-04-02 12:10 Kirill A. Shutemov
2018-04-02 16:58 ` Andrey Ryabinin
2018-04-03 11:10 ` [tip:x86/urgent] x86/mm: Fix documentation of module mapping range " tip-bot for Kirill A. Shutemov
0 siblings, 2 replies; 3+ messages in thread
From: Kirill A. Shutemov @ 2018-04-02 12:10 UTC (permalink / raw)
To: Ingo Molnar, x86, Thomas Gleixner, H. Peter Anvin
Cc: linux-kernel, Kirill A. Shutemov, Andrey Ryabinin
f5a40711fa58 ("x86/mm: Set MODULES_END to 0xffffffffff000000") changed
MODULES_END back to fixed value, but didn't update documentation of
memory layout for 4-level paging.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Fixes: f5a40711fa58 ("x86/mm: Set MODULES_END to 0xffffffffff000000")
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
---
Documentation/x86/x86_64/mm.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index ea91cb61a602..5432a96d31ff 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -20,7 +20,7 @@ ffffff0000000000 - ffffff7fffffffff (=39 bits) %esp fixup stacks
ffffffef00000000 - fffffffeffffffff (=64 GB) EFI region mapping space
... unused hole ...
ffffffff80000000 - ffffffff9fffffff (=512 MB) kernel text mapping, from phys 0
-ffffffffa0000000 - [fixmap start] (~1526 MB) module mapping space (variable)
+ffffffffa0000000 - fffffffffeffffff (1520 MB) module mapping space
[fixmap start] - ffffffffff5fffff kernel-internal fixmap range
ffffffffff600000 - ffffffffff600fff (=4 kB) legacy vsyscall ABI
ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole
--
2.16.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] x86/mm: Fix documentation of module mapping with 4-level paging
2018-04-02 12:10 [PATCH] x86/mm: Fix documentation of module mapping with 4-level paging Kirill A. Shutemov
@ 2018-04-02 16:58 ` Andrey Ryabinin
2018-04-03 11:10 ` [tip:x86/urgent] x86/mm: Fix documentation of module mapping range " tip-bot for Kirill A. Shutemov
1 sibling, 0 replies; 3+ messages in thread
From: Andrey Ryabinin @ 2018-04-02 16:58 UTC (permalink / raw)
To: Kirill A. Shutemov, Ingo Molnar, x86, Thomas Gleixner, H. Peter Anvin
Cc: linux-kernel
On 04/02/2018 03:10 PM, Kirill A. Shutemov wrote:
> f5a40711fa58 ("x86/mm: Set MODULES_END to 0xffffffffff000000") changed
> MODULES_END back to fixed value, but didn't update documentation of
> memory layout for 4-level paging.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Fixes: f5a40711fa58 ("x86/mm: Set MODULES_END to 0xffffffffff000000")
> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
> ---
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Documentation/x86/x86_64/mm.txt | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
> index ea91cb61a602..5432a96d31ff 100644
> --- a/Documentation/x86/x86_64/mm.txt
> +++ b/Documentation/x86/x86_64/mm.txt
> @@ -20,7 +20,7 @@ ffffff0000000000 - ffffff7fffffffff (=39 bits) %esp fixup stacks
> ffffffef00000000 - fffffffeffffffff (=64 GB) EFI region mapping space
> ... unused hole ...
> ffffffff80000000 - ffffffff9fffffff (=512 MB) kernel text mapping, from phys 0
> -ffffffffa0000000 - [fixmap start] (~1526 MB) module mapping space (variable)
> +ffffffffa0000000 - fffffffffeffffff (1520 MB) module mapping space
> [fixmap start] - ffffffffff5fffff kernel-internal fixmap range
> ffffffffff600000 - ffffffffff600fff (=4 kB) legacy vsyscall ABI
> ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* [tip:x86/urgent] x86/mm: Fix documentation of module mapping range with 4-level paging
2018-04-02 12:10 [PATCH] x86/mm: Fix documentation of module mapping with 4-level paging Kirill A. Shutemov
2018-04-02 16:58 ` Andrey Ryabinin
@ 2018-04-03 11:10 ` tip-bot for Kirill A. Shutemov
1 sibling, 0 replies; 3+ messages in thread
From: tip-bot for Kirill A. Shutemov @ 2018-04-03 11:10 UTC (permalink / raw)
To: linux-tip-commits
Cc: hpa, kirill.shutemov, mingo, tglx, peterz, torvalds, aryabinin,
linux-kernel
Commit-ID: 9a3b7e5e65c4b4d332df5f607c0838c3fb918673
Gitweb: https://git.kernel.org/tip/9a3b7e5e65c4b4d332df5f607c0838c3fb918673
Author: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
AuthorDate: Mon, 2 Apr 2018 15:10:25 +0300
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 3 Apr 2018 12:59:02 +0200
x86/mm: Fix documentation of module mapping range with 4-level paging
Commit:
f5a40711fa58 ("x86/mm: Set MODULES_END to 0xffffffffff000000")
changed MODULES_END back to a fixed value, but didn't update the documentation
of memory layout for 4-level paging.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: f5a40711fa58 ("x86/mm: Set MODULES_END to 0xffffffffff000000")
Link: http://lkml.kernel.org/r/20180402121025.10244-1-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
Documentation/x86/x86_64/mm.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index ea91cb61a602..5432a96d31ff 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -20,7 +20,7 @@ ffffff0000000000 - ffffff7fffffffff (=39 bits) %esp fixup stacks
ffffffef00000000 - fffffffeffffffff (=64 GB) EFI region mapping space
... unused hole ...
ffffffff80000000 - ffffffff9fffffff (=512 MB) kernel text mapping, from phys 0
-ffffffffa0000000 - [fixmap start] (~1526 MB) module mapping space (variable)
+ffffffffa0000000 - fffffffffeffffff (1520 MB) module mapping space
[fixmap start] - ffffffffff5fffff kernel-internal fixmap range
ffffffffff600000 - ffffffffff600fff (=4 kB) legacy vsyscall ABI
ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2018-04-03 11:11 UTC | newest]
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2018-04-02 12:10 [PATCH] x86/mm: Fix documentation of module mapping with 4-level paging Kirill A. Shutemov
2018-04-02 16:58 ` Andrey Ryabinin
2018-04-03 11:10 ` [tip:x86/urgent] x86/mm: Fix documentation of module mapping range " tip-bot for Kirill A. Shutemov
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