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authorMiaohe Lin <linmiaohe@huawei.com>2022-09-01 14:00:27 +0200
committerAndrew Morton <akpm@linux-foundation.org>2022-09-12 05:26:09 +0200
commit29be84265fe0023cff8b5aa4fa670b55453c3afc (patch)
treebcb81c1d5b228ac26aafef2e58cecf1945011db8 /mm/hugetlb.c
parenthugetlb: pass NULL to kobj_to_hstate() if nid is unused (diff)
downloadlinux-29be84265fe0023cff8b5aa4fa670b55453c3afc.tar.xz
linux-29be84265fe0023cff8b5aa4fa670b55453c3afc.zip
hugetlb: kill hugetlbfs_pagecache_page()
Fold hugetlbfs_pagecache_page() into its sole caller to remove some duplicated code. No functional change intended. Link: https://lkml.kernel.org/r/20220901120030.63318-8-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 10c63fe72afa..29c3478d1bf3 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5433,19 +5433,6 @@ out_release_old:
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.
@@ -5840,7 +5827,7 @@ 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);