4.15 is now available in Bionic. Marking this Fix Released.
** Tags added: kernel
** Information type changed from Private to Public
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: intel
Status: New => Fix Released
** Changed in: linux (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1730881
Title:
[Feature] Support binding swap device to a node
Status in intel:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
Description
NSG found binding a swap device to a node could improve swap related
performance on multi-node system so they would like such feature
upstreamed.
NSG used to use a previous patch from me that did automatic swap
device binding, but that patch requires the swap device has physical
node information and works best when swap devices are attached to
different node. Systems like EP doesn't have multiple IO hub so
multiple swap devices are actually on the same physical node. For this
reason, I've then developed a entirely new patch that enables binding
swap device to a node, even when 2 swap devices are on the same
physical node, they can still be individually bound to 2 different
nodes.
Target Kernel: 4.14
Target Release: 18.04
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