Re: [RESEND][PATCH] docs/mm: concepts.rst: Correct the threshold to low watermark

From: Jonathan Corbet
Date: Wed Nov 18 2020 - 15:53:15 EST


On Sat, 14 Nov 2020 11:17:12 +0800
Yi Wang <wang.yi59@xxxxxxxxxx> wrote:

> From: Liao Pingfang <liao.pingfang@xxxxxxxxxx>
>
> Actually it should be "low watermark" where we wake up kswapd
> daemon.
>
> Signed-off-by: Liao Pingfang <liao.pingfang@xxxxxxxxxx>
> Signed-off-by: Yi Wang <wang.yi59@xxxxxxxxxx>
> ---
> Documentation/admin-guide/mm/concepts.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/admin-guide/mm/concepts.rst b/Documentation/admin-guide/mm/concepts.rst
> index fa0974f..b966fcf 100644
> --- a/Documentation/admin-guide/mm/concepts.rst
> +++ b/Documentation/admin-guide/mm/concepts.rst
> @@ -184,7 +184,7 @@ pages either asynchronously or synchronously, depending on the state
> of the system. When the system is not loaded, most of the memory is free
> and allocation requests will be satisfied immediately from the free
> pages supply. As the load increases, the amount of the free pages goes
> -down and when it reaches a certain threshold (high watermark), an
> +down and when it reaches a certain threshold (low watermark), an
> allocation request will awaken the ``kswapd`` daemon. It will
> asynchronously scan memory pages and either just free them if the data
> they contain is available elsewhere, or evict to the backing storage

This patch still has not made it onto the public mailing lists. I don't
know what the problem is with your mail setup, but until you can post the
patch publicly I cannot apply it.

When you do work that problem out, please add the linux-mm list like I
asked you to last time.

Thanks,

jon