This bug is awaiting verification that the linux-
nvidia-6.14/6.14.0-1004.4 kernel in -proposed solves the problem. Please
test the kernel and update this bug with the results. If the problem is
solved, change the tag 'verification-needed-noble-linux-nvidia-6.14' to
'verification-done-noble-linux-nvidia-6.14'. If the problem still
exists, change the tag 'verification-needed-noble-linux-nvidia-6.14' to
'verification-failed-noble-linux-nvidia-6.14'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-nvidia-6.14-v2 
verification-needed-noble-linux-nvidia-6.14

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2059316

Title:
  backport arm64 THP improvements from 6.9

Status in linux package in Ubuntu:
  In Progress
Status in linux-nvidia package in Ubuntu:
  New
Status in linux source package in Noble:
  New
Status in linux-nvidia source package in Noble:
  Fix Released

Bug description:
  Initial support for multi-size THP landed upstream in v6.8. In the 6.9
  merge window, 2 other series have landed that show significant
  performance improvements on arm64

  mm/memory: optimize fork() with PTE-mapped THP
    https://lkml.iu.edu/hypermail/linux/kernel/2401.3/02766.html

  Transparent Contiguous PTEs for User Mappings:
   https://lwn.net/Articles/962330/

  On an Ampere AltraMax system w/ 4K page size, kernel builds in a tmpfs
  are reduced from 6m30s to 5m17s, a ~19% improvement.

  It has been reported that this can have a *10x* improvement for
  certain GPU workloads on ARM:

  https://lwn.net/Articles/954094/

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