Public bug reported:
SRU Justification
[Impact]
* Microsoft requested patch to improve RX buffer handling in MANA
driver. Previously reverted as part of LP: #2131828, this patch looks to
reintroduce the proper functionality with added fix.
[Fix]
* Jammy: backports of the following patches:
- 1705341485ff: "net: mana: Improve mana_set_channels() in low mem
conditions" upstream
- 730ff06d3f5c: "net: mana: Use page pool fragments for RX buffers instead of
full pages to improve memory efficiency." from linux-next
[Test Plan]
* Compile tested
* Microsoft tested
[Regression potential]
* Changes are localized to MANA. Possible regressions could result in
unexpected behavior of MANA driver.
[Other info]
* SF#00416936
* SF#00422364
** Affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-azure (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Jammy)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2133750
Title:
net: mana: Use page pool fragments for RX buffers instead of full
pages to improve memory efficiency (5.15)
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