On Mon, May 20, 2024 at 12:47:49PM -0700, Vishal Moola (Oracle) wrote:
> Replaces 4 calls to compound_head() with one. Also converts
> unmap_hugepage_range() and unmap_ref_private() to take in folios.
This is great!
> void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
> unsigned long start, unsigned long end,
> - struct page *ref_page, zap_flags_t zap_flags)
> + struct folio *ref_folio, zap_flags_t zap_flags)
> {
> struct mm_struct *mm = vma->vm_mm;
> unsigned long address;
> pte_t *ptep;
> pte_t pte;
> spinlock_t *ptl;
> - struct page *page;
> + struct folio *folio;
> struct hstate *h = hstate_vma(vma);
> unsigned long sz = huge_page_size(h);
I would appreciate some further cleanup ...
size_t sz = folio_size(folio);
I think there are further cleanups along those lines, eg
pages_per_huge_page(), hugetlb_mask_last_page(), huge_page_mask().
