Re: Linux 4.4.174

From: Mark D Rustad
Date: Fri Feb 08 2019 - 23:44:39 EST

On Feb 8, 2019, at 2:54 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> 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It seems very strange to say that it is obsolete since 4.17 in a 4.4 kernel.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@xxxxxxxxx

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