Re: [PATCH RFC 09/13] mm/huge_memory: move memcg switch into the file split helper

[Zi Yan]

On Fri Aug 7, 2026 at 5:17 PM EDT, Kairui Song via B4 Relay wrote:
> From: Kairui Song <kasong@xxxxxxxxxxx>
>
> The xarray node allocations in __folio_freeze_split_unmap_file() need
> to be charged to the folio's memcg, so move the memcg switch from
> __folio_split() into the helper.
>
> The anon split helper and the after-split folio freeing perform no
> chargeable allocations, so no memcg handling is left in __folio_split().
> Rename its out_no_memcg label to out.
>
> Signed-off-by: Kairui Song <kasong@xxxxxxxxxxx>
> ---
>  mm/huge_memory.c | 36 +++++++++++++++++++-----------------
>  1 file changed, 19 insertions(+), 17 deletions(-)
>

Yeah, it should not change anon accounting.

Acked-by: Zi Yan <ziy@xxxxxxxxxx>


-- 
Best Regards,
Yan, Zi