Re: [PATCH 2/2] mm: pgtable: remove unnecessary split ptlock for kernel PMD page

[Muchun Song <muchun.song@xxxxxxxxx>]

> On Feb 1, 2024, at 16:05, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote:
> 
> For kernel PMD entry, we use init_mm.page_table_lock to protect it, so
> there is no need to allocate and initialize the split ptlock for kernel
> PMD page.
> 
> Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>

Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>

Thanks.