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Signed-off-by: Sidhartha Kumar --- fs/hugetlbfs/inode.c | 2 +- include/linux/hugetlb.h | 2 +- mm/hugetlb.c | 21 ++++++++++----------- 3 files changed, 12 insertions(+), 13 deletions(-) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index e2f8951103be..880ebc58f330 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -871,7 +871,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset, __folio_mark_uptodate(folio); error = hugetlb_add_to_page_cache(&folio->page, mapping, index); if (unlikely(error)) { - restore_reserve_on_error(h, &pseudo_vma, addr, &folio->page); + restore_reserve_on_error(h, &pseudo_vma, addr, folio); folio_put(folio); mutex_unlock(&hugetlb_fault_mutex_table[hash]); goto out; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 8f054d81e63b..e76be7e8df2c 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -725,7 +725,7 @@ struct folio *alloc_hugetlb_folio_vma(struct hstate *h, struct vm_area_struct *v int hugetlb_add_to_page_cache(struct page *page, struct address_space *mapping, pgoff_t idx); void restore_reserve_on_error(struct hstate *h, struct vm_area_struct *vma, - unsigned long address, struct page *page); + unsigned long address, struct folio *folio); /* arch callback */ int __init __alloc_bootmem_huge_page(struct hstate *h, int nid); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 46467e80716f..9568d49c12d6 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2802,9 +2802,9 @@ static long vma_del_reservation(struct hstate *h, * and the hugetlb mutex should remain held when calling this routine. * * It handles two specific cases: - * 1) A reservation was in place and the page consumed the reservation. - * HPageRestoreReserve is set in the page. - * 2) No reservation was in place for the page, so HPageRestoreReserve is + * 1) A reservation was in place and the folio consumed the reservation. + * hugetlb_restore_reserve is set in the folio. + * 2) No reservation was in place for the page, so hugetlb_restore_reserve is * not set. However, alloc_hugetlb_folio always updates the reserve map. * * In case 1, free_huge_page later in the error path will increment the @@ -2817,9 +2817,8 @@ static long vma_del_reservation(struct hstate *h, * In case 2, simply undo reserve map modifications done by alloc_hugetlb_folio. */ void restore_reserve_on_error(struct hstate *h, struct vm_area_struct *vma, - unsigned long address, struct page *page) + unsigned long address, struct folio *folio) { - struct folio *folio = page_folio(page); long rc = vma_needs_reservation(h, vma, address); if (folio_test_hugetlb_restore_reserve(folio)) { @@ -5102,7 +5101,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, entry = huge_ptep_get(src_pte); if (!pte_same(src_pte_old, entry)) { restore_reserve_on_error(h, dst_vma, addr, - &new_folio->page); + new_folio); folio_put(new_folio); /* huge_ptep of dst_pte won't change as in child */ goto again; @@ -5633,7 +5632,7 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma, * unshare) */ if (new_folio != page_folio(old_page)) - restore_reserve_on_error(h, vma, haddr, &new_folio->page); + restore_reserve_on_error(h, vma, haddr, new_folio); folio_put(new_folio); out_release_old: put_page(old_page); @@ -5847,7 +5846,7 @@ static vm_fault_t hugetlb_no_page(struct mm_struct *mm, * to the page cache. So it's safe to call * restore_reserve_on_error() here. */ - restore_reserve_on_error(h, vma, haddr, &folio->page); + restore_reserve_on_error(h, vma, haddr, folio); folio_put(folio); goto out; } @@ -5948,7 +5947,7 @@ static vm_fault_t hugetlb_no_page(struct mm_struct *mm, spin_unlock(ptl); backout_unlocked: if (new_page && !new_pagecache_page) - restore_reserve_on_error(h, vma, haddr, &folio->page); + restore_reserve_on_error(h, vma, haddr, folio); folio_unlock(folio); folio_put(folio); @@ -6211,7 +6210,7 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm, /* Free the allocated folio which may have * consumed a reservation. */ - restore_reserve_on_error(h, dst_vma, dst_addr, &folio->page); + restore_reserve_on_error(h, dst_vma, dst_addr, folio); folio_put(folio); /* Allocate a temporary folio to hold the copied @@ -6339,7 +6338,7 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm, folio_unlock(folio); out_release_nounlock: if (!page_in_pagecache) - restore_reserve_on_error(h, dst_vma, dst_addr, &folio->page); + restore_reserve_on_error(h, dst_vma, dst_addr, folio); folio_put(folio); goto out; }