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SubjectRe: Linux 4.4.174
Date
On Feb 8, 2019, at 2:54 AM, Greg KH <gregkh@linuxfoundation.org> wrote:

> diff --git a/Documentation/networking/ip-sysctl.txt
> b/Documentation/networking/ip-sysctl.txt
> index 2ea4c45cf1c8..7c229f59016f 100644
> --- a/Documentation/networking/ip-sysctl.txt
> +++ b/Documentation/networking/ip-sysctl.txt
> @@ -112,14 +112,11 @@ min_adv_mss - INTEGER
>
> IP Fragmentation:
>
> -ipfrag_high_thresh - INTEGER
> - Maximum memory used to reassemble IP fragments. When
> - ipfrag_high_thresh bytes of memory is allocated for this purpose,
> - the fragment handler will toss packets until ipfrag_low_thresh
> - is reached. This also serves as a maximum limit to namespaces
> - different from the initial one.
> -
> -ipfrag_low_thresh - INTEGER
> +ipfrag_high_thresh - LONG INTEGER
> + Maximum memory used to reassemble IP fragments.
> +
> +ipfrag_low_thresh - LONG INTEGER
> + (Obsolete since linux-4.17)

It seems very strange to say that it is obsolete since 4.17 in a 4.4 kernel.

> Maximum memory used to reassemble IP fragments before the kernel
> begins to remove incomplete fragment queues to free up resources.
> The kernel still accepts new fragments for defragmentation.

--
Mark Rustad, MRustad@gmail.com
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