Hi, On 2/23/22 05:41, Yixuan Cao wrote: > There are some commends that need to be fixed. > > Thanks for Shuah Khan's constructive suggestions. > The commends have been fixed as follows. > > a. So, if you'd like to use it, you need > to add "page_owner=on" into your boot cmdline. > > Here, "into" has been replaced with "to". > > b. ...page owner is disabled in runtime due to no > enabling, boot option, runtime overhead is marginal. > > Here, "no" has been replaced with "not". > > Signed-off-by: Yixuan Cao <caoyixuan2019@xxxxxxxxxxxxxxxx> The file changes look good. The Subject and patch description should use "comments" instead of "commends". thanks. Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > --- > Documentation/vm/page_owner.rst | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst > index 2b54e82b9fe1..aec1906976f4 100644 > --- a/Documentation/vm/page_owner.rst > +++ b/Documentation/vm/page_owner.rst > @@ -26,9 +26,9 @@ fragmentation statistics can be obtained through gfp flag information of > each page. It is already implemented and activated if page owner is > enabled. Other usages are more than welcome. > > -page owner is disabled in default. So, if you'd like to use it, you need > -to add "page_owner=on" into your boot cmdline. If the kernel is built > -with page owner and page owner is disabled in runtime due to no enabling > +page owner is disabled by default. So, if you'd like to use it, you need > +to add "page_owner=on" to your boot cmdline. If the kernel is built > +with page owner and page owner is disabled in runtime due to not enabling > boot option, runtime overhead is marginal. If disabled in runtime, it > doesn't require memory to store owner information, so there is no runtime > memory overhead. And, page owner inserts just two unlikely branches into -- ~Randy