** Changed in: linux-nvidia-6.11 (Ubuntu Noble)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2091887
Title:
Backport huge pfnmap support to NVIDIA 6.11
Status in linux-nvidia-6.11 package in Ubuntu:
Invalid
Status in linux-nvidia-6.11 source package in Noble:
Fix Committed
Bug description:
NVIDIA has requested that the huge pfnmap enablement patches be
backported to Linux kernel 6.11.
This includes the "mm: Support huge pfnmaps" patchset:
https://lore.kernel.org/all/[email protected]/T/#m34d054d967a72ad8a7c8120c19447b415fd12179.
And the "mm: replace follow_page() by folio_walk" patchset:
https://lore.kernel.org/all/[email protected]/T/#md9eb4137570b491263f6c725e4db8bfc368ab74d.
And finally the following follow-up fix commits:
- "mm/pagewalk: fix usage of pmd_leaf()/pud_leaf() without present check"
- "mm/huge_memory: check pmd_special() only after pmd_present()"
- "mm: fix follow_pfnmap API lockdep assert"
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