Re: [PATCH v3 01/14] mm: thp: make __split_huge_pmd_locked visible.

From: Matthew Wilcox
Date: Mon Feb 06 2017 - 10:02:31 EST


On Sun, Feb 05, 2017 at 11:12:39AM -0500, Zi Yan wrote:
> +++ b/include/linux/huge_mm.h
> @@ -120,6 +120,8 @@ static inline int split_huge_page(struct page *page)
> }
> void deferred_split_huge_page(struct page *page);
>
> +void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
> + unsigned long haddr, bool freeze);

Could you change that from 'haddr' to 'address' so callers who only
read the header instead of the implementation aren't expecting to align
it themselves?

> +void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
> + unsigned long address, bool freeze)
> {
> struct mm_struct *mm = vma->vm_mm;
> struct page *page;