ACK: [SRU][N/O:linux-intel][PATCH 0/4] TD boot failure with large profiles allocated

[Massimiliano Pellizzer]

On Tue, 18 Mar 2025 at 17:31, Thibault Ferrante
<thibault.ferrante at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2103530
>
> [ Impact ]
>
>  * TD with large profiles (e.g. 128 vcpu && 512GB RAM) fail to boot.
>
> [ Fix ]
>
>  * Clean cherry-pick from intel-kernel:
> a7b7338a90c1 mm/page_alloc: Fix memory accept before watermarks gets initialized
> a11a86c9ac1d mm: accept to promo watermark
> ce0381880b6c mm: create promo_wmark_pages and clean up open-coded sites
> 86cae05a0654 mm: print the promo watermark in zoneinfo
>
> Those are submitted upstream.
>
> [ Test Plan ]
>
>  * Was tested by intel (branch v6.8-tdx https://github.com/intel/kernel-downstream/tree/v6.8-tdx) on failing configuration.
>
> [ Where problems could occur ]
>
>  * Memory allocation issue.
>
> [ Other Info ]
>
>  * This fix is submitted for N/O:linux-intel in order to have more exposure and wait
>  for upstream feedback before submitting it for O/N/P:linux.
>
> Kaiyang Zhao (2):
>   mm: print the promo watermark in zoneinfo
>   mm: create promo_wmark_pages and clean up open-coded sites
>
> Kirill A. Shutemov (2):
>   mm: accept to promo watermark
>   mm/page_alloc: Fix memory accept before watermarks gets initialized
>
>  include/linux/mmzone.h |  1 +
>  kernel/sched/fair.c    |  2 +-
>  mm/page_alloc.c        | 16 +++++++++++++---
>  mm/vmscan.c            |  2 +-
>  mm/vmstat.c            |  2 ++
>  5 files changed, 18 insertions(+), 5 deletions(-)
>
> --
> 2.45.2
>
>
> --
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Acked-by: Massimiliano Pellizzer <massimiliano.pellizzer at canonical.com>

-- 
Massimiliano Pellizzer