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Tasklist

FS#39698 - [linux] Please enable CONFIG_MEMCG_SWAP_ENABLED in the default kernel.

Attached to Project: Arch Linux
Opened by Ahmed W. (OneOfOne) - Monday, 31 March 2014, 16:31 GMT
Last edited by Thomas Bächler (brain0) - Monday, 31 March 2014, 23:06 GMT
Task Type Feature Request
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Docker uses CONFIG_MEMCG_SWAP_ENABLED for swap limitation on containers, which is needed in a lot of cases.

Steps to reproduce:
sudo systemctl start docker
sudo docker run -m=$((512 * 1024)) -i -t base/arch bash

Results :
WARNING: Your kernel does not support swap limit capabilities. Limitation discarded.
This task depends upon

Closed by  Thomas Bächler (brain0)
Monday, 31 March 2014, 23:06 GMT
Reason for closing:  Won't implement
Comment by Dave Reisner (falconindy) - Monday, 31 March 2014, 16:41 GMT
You can just add swapaccount=1 to your kernel commandline. We should not enable this by default. The requisite MEMCG_SWAP option is already in our config.

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