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authorPeter Xu <peterx@redhat.com>2023-06-28 17:53:08 -0400
committerAndrew Morton <akpm@linux-foundation.org>2023-08-18 10:12:04 -0700
commit4849807114b83e1897381ed3f851632f376a0b7e (patch)
treea5dc04c154e9eeeda16a62dabda580b2d25a6d82 /include/linux/hugetlb.h
parent57edfcfd3419b4799353d8cbd6ce49da075cfdbd (diff)
mm/gup: retire follow_hugetlb_page()
Now __get_user_pages() should be well prepared to handle thp completely, as long as hugetlb gup requests even without the hugetlb's special path. Time to retire follow_hugetlb_page(). Tweak misc comments to reflect reality of follow_hugetlb_page()'s removal. Link: https://lkml.kernel.org/r/20230628215310.73782-7-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: James Houghton <jthoughton@google.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Kirill A . Shutemov <kirill@shutemov.name> Cc: Lorenzo Stoakes <lstoakes@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Yang Shi <shy828301@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r--include/linux/hugetlb.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 9f282f370d96..9bc3c2d71b71 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -133,9 +133,6 @@ int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *,
struct page *hugetlb_follow_page_mask(struct vm_area_struct *vma,
unsigned long address, unsigned int flags,
unsigned int *page_mask);
-long follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *,
- struct page **, unsigned long *, unsigned long *,
- long, unsigned int, int *);
void unmap_hugepage_range(struct vm_area_struct *,
unsigned long, unsigned long, struct page *,
zap_flags_t);
@@ -305,15 +302,6 @@ static inline struct page *hugetlb_follow_page_mask(
BUILD_BUG(); /* should never be compiled in if !CONFIG_HUGETLB_PAGE*/
}
-static inline long follow_hugetlb_page(struct mm_struct *mm,
- struct vm_area_struct *vma, struct page **pages,
- unsigned long *position, unsigned long *nr_pages,
- long i, unsigned int flags, int *nonblocking)
-{
- BUG();
- return 0;
-}
-
static inline int copy_hugetlb_page_range(struct mm_struct *dst,
struct mm_struct *src,
struct vm_area_struct *dst_vma,