FS#40818 - [linux] 3.15.x CONFIG_MEMCG_KMEM is strongly discouraged by upstream

Attached to Project: Arch Linux
Opened by Marti (intgr) - Thursday, 12 June 2014, 09:50 GMT
Last edited by Tobias Powalowski (tpowa) - Monday, 16 June 2014, 09:10 GMT
Task Type Bug Report
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 3
Private No

Details

Description: It seems that the default Arch kernels have the CONFIG_MEMCG_KMEM flag enabled. However, this is discouraged by upstream: "DO NOT SELECT IT unless for development purposes"

See this git commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ee06468702e0742114823a537510cd6f038cacc

% zgrep CONFIG_MEMCG_KMEM /proc/config.gz
CONFIG_MEMCG_KMEM=y
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Monday, 16 June 2014, 09:10 GMT
Reason for closing:  Fixed
Additional comments about closing:  trunk
Comment by Tobias Powalowski (tpowa) - Monday, 16 June 2014, 07:13 GMT
Let's see if the comment changes in the development cycle. 3.15.x is not affected at the moment.
Comment by Marti (intgr) - Monday, 16 June 2014, 07:16 GMT
Erm? 3.15 *is* affected, the warning just wasn't there yet.

https://lkml.org/lkml/2014/4/22/204
"Thanks! This should have been merged log time ago..."

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