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It seems very strange to say that it is obsolete since 4.17 in a 4.4 kernel.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