From: Nir Lichtman <nir@lichtman.org>
To: corbet@lwn.net, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] English fixes in vmalloced kernel stacks documentation
Date: Wed, 19 Jun 2024 21:07:07 +0000 [thread overview]
Message-ID: <20240619210707.GA3570474@lichtman.org> (raw)
From cdc9d82bad7111ab1f132d1264fa6ffa323c26b0 Mon Sep 17 00:00:00 2001
From: Nir Lichtman <nir@lichtman.org>
Date: Wed, 19 Jun 2024 23:57:11 +0300
Subject: [PATCH] English fixes in vmalloced kernel stacks documentation
---
Documentation/mm/vmalloced-kernel-stacks.rst | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/Documentation/mm/vmalloced-kernel-stacks.rst b/Documentation/mm/vmalloced-kernel-stacks.rst
index fc8c67833..b4ca3176e 100644
--- a/Documentation/mm/vmalloced-kernel-stacks.rst
+++ b/Documentation/mm/vmalloced-kernel-stacks.rst
@@ -20,9 +20,9 @@ Introduction
Kernel stack overflows are often hard to debug and make the kernel
susceptible to exploits. Problems could show up at a later time making
-it difficult to isolate and root-cause.
+it difficult to pinpoint their root cause.
-Virtually-mapped kernel stacks with guard pages causes kernel stack
+Virtually mapped kernel stacks with guard pages cause kernel stack
overflows to be caught immediately rather than causing difficult to
diagnose corruptions.
@@ -57,7 +57,7 @@ enable this bool configuration option. The requirements are:
VMAP_STACK
----------
-VMAP_STACK bool configuration option when enabled allocates virtually
+When enabled, the VMAP_STACK bool configuration option allocates virtually
mapped task stacks. This option depends on HAVE_ARCH_VMAP_STACK.
- Enable this if you want the use virtually-mapped kernel stacks
@@ -83,7 +83,7 @@ the latest code base:
Allocation
-----------
-When a new kernel thread is created, thread stack is allocated from
+When a new kernel thread is created, a thread stack is allocated from
virtually contiguous memory pages from the page level allocator. These
pages are mapped into contiguous kernel virtual space with PAGE_KERNEL
protections.
@@ -104,7 +104,7 @@ with PAGE_KERNEL protections.
Thread stack allocation is initiated from clone(), fork(), vfork(),
kernel_thread() via kernel_clone(). Leaving a few hints for searching
-the code base to understand when and how thread stack is allocated.
+the code base to understand when and how a thread stack is allocated.
Bulk of the code is in:
`kernel/fork.c <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/kernel/fork.c>`.
base-commit: e5b3efbe1ab1793bb49ae07d56d0973267e65112
--
2.39.2
next reply other threads:[~2024-06-19 21:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-19 21:07 Nir Lichtman [this message]
2024-06-19 21:14 ` [PATCH] English fixes in vmalloced kernel stacks documentation Jonathan Corbet
2024-06-19 21:33 ` Randy Dunlap
2024-06-19 21:41 ` Nir Lichtman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240619210707.GA3570474@lichtman.org \
--to=nir@lichtman.org \
--cc=corbet@lwn.net \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox