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Subject[PATCH v2 07/10] hugetlb: kill hugetlbfs_pagecache_page()
Date
Fold hugetlbfs_pagecache_page() into its sole caller to remove some
duplicated code. No functional change intended.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
---
mm/hugetlb.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index bb65b7fdca25..26bcc85715eb 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5467,19 +5467,6 @@ static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma,
return ret;
}

-/* Return the pagecache page at a given address within a VMA */
-static struct page *hugetlbfs_pagecache_page(struct hstate *h,
- struct vm_area_struct *vma, unsigned long address)
-{
- struct address_space *mapping;
- pgoff_t idx;
-
- mapping = vma->vm_file->f_mapping;
- idx = vma_hugecache_offset(h, vma, address);
-
- return find_lock_page(mapping, idx);
-}
-
/*
* Return whether there is a pagecache page to back given address within VMA.
* Caller follow_hugetlb_page() holds page_table_lock so we cannot lock_page.
@@ -5885,7 +5872,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
/* Just decrements count, does not deallocate */
vma_end_reservation(h, vma, haddr);

- pagecache_page = hugetlbfs_pagecache_page(h, vma, haddr);
+ pagecache_page = find_lock_page(mapping, idx);
}

ptl = huge_pte_lock(h, mm, ptep);
--
2.23.0
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