[PATCH 1/4] mm/page_table_check: Pass mm_struct to pxx_user_accessible_page()

[Andrew Morton]

On Mon, 23 Feb 2026 12:53:13 +0100 Alexander Gordeev <agordeev at linux.ibm.com> wrote:

> From: Tobias Huschle <huschle at linux.ibm.com>
> 
> Unlike other architectures, s390 does not have means to
> distinguish kernel vs user page table entries - neither
> an entry itself, nor the address could be used for that.
> It is only the mm_struct that indicates whether an entry
> in question is mapped to a user space. So pass mm_struct
> to pxx_user_accessible_page() callbacks.
> 
> ...
>
>  arch/arm64/include/asm/pgtable.h |  6 +++---
>  arch/riscv/include/asm/pgtable.h |  6 +++---
>  arch/x86/include/asm/pgtable.h   |  6 +++---
>  mm/page_table_check.c            | 15 ++++++---------
>  4 files changed, 15 insertions(+), 18 deletions(-)

Reviewed-by: Andrew Morton <akpm at linux-foundation.org>

I assume this can go into the s390 tree?