diff options
| author | David Hildenbrand <david@redhat.com> | 2023-12-20 23:44:58 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 11:58:55 -0800 |
| commit | 61d90309b7156d54c5d358cb5d8bf55b33d233d2 (patch) | |
| tree | 964f30435500173acd7852e32a1de9242c9e49f2 /include/linux/mm.h | |
| parent | d8ef5e311d7bfde54b60ab45026f206eff31b2d2 (diff) | |
mm/rmap: introduce folio_try_dup_anon_rmap_[pte|ptes|pmd]()
The last user of page_needs_cow_for_dma() and __page_dup_rmap() are gone,
remove them.
Add folio_try_dup_anon_rmap_ptes() right away, we want to perform rmap
baching during fork() soon.
Link: https://lkml.kernel.org/r/20231220224504.646757-35-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 75bba6102825..896c0079f64f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1975,12 +1975,6 @@ static inline bool folio_needs_cow_for_dma(struct vm_area_struct *vma, return folio_maybe_dma_pinned(folio); } -static inline bool page_needs_cow_for_dma(struct vm_area_struct *vma, - struct page *page) -{ - return folio_needs_cow_for_dma(vma, page_folio(page)); -} - /** * is_zero_page - Query if a page is a zero page * @page: The page to query |