Re: [PATCH v4 11/12] mm/mprotect: drop 'sub' from page_anon_exclusive_sub_batch

From: David Hildenbrand (Arm)

Date: Tue Jun 16 2026 - 10:22:27 EST


On 5/26/26 08:36, Dev Jain wrote:
> Shorten the function name by dropping the "sub-batch" context - the
> function itself doesn't need this context.

What about "sub_batch_idx" ?

This function is rather independent of the rest, so best to send that as a
cleanup separately.

>
> Signed-off-by: Dev Jain <dev.jain@xxxxxxx>
> ---
> mm/mprotect.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/mprotect.c b/mm/mprotect.c
> index 9cbf932b028cf..3357058672016 100644
> --- a/mm/mprotect.c
> +++ b/mm/mprotect.c
> @@ -143,7 +143,7 @@ static __always_inline void prot_commit_flush_ptes(struct vm_area_struct *vma,
> * !PageAnonExclusive() pages, starting from start_idx. Caller must enforce
> * that the ptes point to consecutive pages of the same anon large folio.
> */
> -static __always_inline int page_anon_exclusive_sub_batch(int start_idx, int max_len,
> +static __always_inline int page_anon_exclusive_batch(int start_idx, int max_len,
> struct page *first_page, bool expected_anon_exclusive)
> {
> int idx;
> @@ -179,7 +179,7 @@ static __always_inline void commit_anon_folio_batch(struct vm_area_struct *vma,
>
> while (nr_ptes) {
> expected_anon_exclusive = PageAnonExclusive(first_page + sub_batch_idx);
> - len = page_anon_exclusive_sub_batch(sub_batch_idx, nr_ptes,
> + len = page_anon_exclusive_batch(sub_batch_idx, nr_ptes,
> first_page, expected_anon_exclusive);
> prot_commit_flush_ptes(vma, addr, ptep, oldpte, ptent, len,
> sub_batch_idx, expected_anon_exclusive, tlb);


--
Cheers,

David