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authorDennis Lam <dennis.lamerice@gmail.com>2024-09-06 22:49:13 +0200
committerJonathan Corbet <corbet@lwn.net>2024-09-10 23:31:45 +0200
commitbf78b46683229eec3a1074302851645bf43a6986 (patch)
treeef231cae7764564e98258ac43343526ce8d931e3
parentDocumentation: PCI: fix typo in pci.rst (diff)
downloadlinux-bf78b46683229eec3a1074302851645bf43a6986.tar.xz
linux-bf78b46683229eec3a1074302851645bf43a6986.zip
docs:mm: fixed spelling and grammar mistakes on vmalloc kernel stack page
Signed-off-by: Dennis Lam <dennis.lamerice@gmail.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20240906204914.42698-2-dennis.lamerice@gmail.com>
-rw-r--r--Documentation/mm/vmalloced-kernel-stacks.rst8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/mm/vmalloced-kernel-stacks.rst b/Documentation/mm/vmalloced-kernel-stacks.rst
index 4edca515bfd7..5bc0f7ceea89 100644
--- a/Documentation/mm/vmalloced-kernel-stacks.rst
+++ b/Documentation/mm/vmalloced-kernel-stacks.rst
@@ -110,7 +110,7 @@ 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>`.
stack_vm_area pointer in task_struct keeps track of the virtually allocated
-stack and a non-null stack_vm_area pointer serves as a indication that the
+stack and a non-null stack_vm_area pointer serves as an indication that the
virtually mapped kernel stacks are enabled.
::
@@ -120,8 +120,8 @@ virtually mapped kernel stacks are enabled.
Stack overflow handling
-----------------------
-Leading and trailing guard pages help detect stack overflows. When stack
-overflows into the guard pages, handlers have to be careful not overflow
+Leading and trailing guard pages help detect stack overflows. When the stack
+overflows into the guard pages, handlers have to be careful not to overflow
the stack again. When handlers are called, it is likely that very little
stack space is left.
@@ -148,6 +148,6 @@ Conclusions
- THREAD_INFO_IN_TASK gets rid of arch-specific thread_info entirely and
simply embed the thread_info (containing only flags) and 'int cpu' into
task_struct.
-- The thread stack can be free'ed as soon as the task is dead (without
+- The thread stack can be freed as soon as the task is dead (without
waiting for RCU) and then, if vmapped stacks are in use, cache the
entire stack for reuse on the same cpu.