The patch titled Subject: Documentation/vm/page_owner.rst: fix comments has been added to the -mm tree. Its filename is documentation-vm-page_ownerrst-fix-commends.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/documentation-vm-page_ownerrst-fix-commends.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/documentation-vm-page_ownerrst-fix-commends.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Yixuan Cao <caoyixuan2019@xxxxxxxxxxxxxxxx> Subject: Documentation/vm/page_owner.rst: fix comments There are some comments that need to be fixed. Thanks for Shuah Khan's constructive suggestions. The comments 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". Link: https://lkml.kernel.org/r/20220223134104.2663-1-caoyixuan2019@xxxxxxxxxxxxxxxx Signed-off-by: Yixuan Cao <caoyixuan2019@xxxxxxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Zhenliang Wei <weizhenliang@xxxxxxxxxx> Cc: Georgi Djakov <georgi.djakov@xxxxxxxxxx> Cc: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/vm/page_owner.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/Documentation/vm/page_owner.rst~documentation-vm-page_ownerrst-fix-commends +++ a/Documentation/vm/page_owner.rst @@ -26,9 +26,9 @@ fragmentation statistics can be obtained 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 _ Patches currently in -mm which might be from caoyixuan2019@xxxxxxxxxxxxxxxx are tools-vm-page_owner_sortc-delete-invalid-duplicate-code.patch documentation-vm-page_ownerrst-fix-commends.patch mm-page_ownerc-record-tgid.patch tools-vm-page_owner_sortc-fix-the-instructions-for-use.patch