Re: [PATCH mm-unstable v1 2/5] mm: introduce is_pmd_order helper

From: Lance Yang

Date: Sat Feb 14 2026 - 02:24:33 EST




On 2026/2/12 10:18, Nico Pache wrote:
In order to add mTHP support to khugepaged, we will often be checking if a
given order is (or is not) a PMD order. Some places in the kernel already
use this check, so lets create a simple helper function to keep the code
clean and readable.

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Suggested-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Signed-off-by: Nico Pache <npache@xxxxxxxxxx>

arches# pick b3ace8be204f # mm/khugepaged: rename hpage_collapse_* to collapse_*
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Looks good to me.

Reviewed-by: Lance Yang <lance.yang@xxxxxxxxx>