[PATCH] Documentation: update kernel stack for x86_64

[PATCH] Documentation: update kernel stack for x86_64

[晏艳(采苓)]

Commit 6538b8ea886e ("x86_64: expand kernel stack to 16K")
expanded kernel stack for x86_64 but left the wrong documentation,
update it.

Signed-off-by: Yan Yan <yanyan.yan@antgroup.com>
---
 Documentation/x86/kernel-stacks.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/x86/kernel-stacks.rst b/Documentation/x86/kernel-stacks.rst
index 6b0bcf027ff1..738671a4070b 100644
--- a/Documentation/x86/kernel-stacks.rst
+++ b/Documentation/x86/kernel-stacks.rst
@@ -12,7 +12,7 @@ Most of the text from Keith Owens, hacked by AK
 x86_64 page size (PAGE_SIZE) is 4K.
 
 Like all other architectures, x86_64 has a kernel stack for every
-active thread.  These thread stacks are THREAD_SIZE (2*PAGE_SIZE) big.
+active thread.  These thread stacks are THREAD_SIZE (4*PAGE_SIZE) big.
 These stacks contain useful data as long as a thread is alive or a
 zombie. While the thread is in user space the kernel stack is empty
 except for the thread_info structure at the bottom.
-- 
2.32.0.3.g01195cf9f

Re: [PATCH] Documentation: update kernel stack for x86_64

[Lai Jiangshan]

On Tue, Mar 28, 2023 at 3:34 PM 晏艳(采苓) <yanyan.yan@antgroup.com> wrote:
>
> Commit 6538b8ea886e ("x86_64: expand kernel stack to 16K")
> expanded kernel stack for x86_64 but left the wrong documentation,
> update it.
>
> Signed-off-by: Yan Yan <yanyan.yan@antgroup.com>
> ---

Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>

Re: [PATCH] Documentation: update kernel stack for x86_64

[Jonathan Corbet]

"晏艳(采苓)" <yanyan.yan@antgroup.com> writes:

> Commit 6538b8ea886e ("x86_64: expand kernel stack to 16K")
> expanded kernel stack for x86_64 but left the wrong documentation,
> update it.
>
> Signed-off-by: Yan Yan <yanyan.yan@antgroup.com>
> ---
>  Documentation/x86/kernel-stacks.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

jon