diff options
| author | Peter Xu <peterx@redhat.com> | 2023-06-29 00:53:05 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 20:12:03 +0300 |
| commit | 5502ea44f5ade35d32a397353956bc026b870400 (patch) | |
| tree | ffb442a2b1d749f65834a8f96ef788f36df2e76f /include/linux/hugetlb.h | |
| parent | 458568c92953dee3716234711f1a2830a35261f3 (diff) | |
| download | linux-5502ea44f5ade35d32a397353956bc026b870400.tar.xz | |
mm/hugetlb: add page_mask for hugetlb_follow_page_mask()
follow_page() doesn't need it, but we'll start to need it when unifying
gup for hugetlb.
Link: https://lkml.kernel.org/r/20230628215310.73782-4-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-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.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index ca3c8e10f24a..9f282f370d96 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -131,7 +131,8 @@ int move_hugetlb_page_tables(struct vm_area_struct *vma, int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *, struct vm_area_struct *); struct page *hugetlb_follow_page_mask(struct vm_area_struct *vma, - unsigned long address, unsigned int flags); + 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 *); @@ -297,8 +298,9 @@ static inline void adjust_range_if_pmd_sharing_possible( { } -static inline struct page *hugetlb_follow_page_mask(struct vm_area_struct *vma, - unsigned long address, unsigned int flags) +static inline struct page *hugetlb_follow_page_mask( + struct vm_area_struct *vma, unsigned long address, unsigned int flags, + unsigned int *page_mask) { BUILD_BUG(); /* should never be compiled in if !CONFIG_HUGETLB_PAGE*/ } |