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/linux-6.12.1/mm/
Dhuge_memory.c3082 struct page *page_tail = head + tail; in __split_huge_page_tail() local
3087 struct folio *new_folio = (struct folio *)page_tail; in __split_huge_page_tail()
3089 VM_BUG_ON_PAGE(atomic_read(&page_tail->_mapcount) != -1, page_tail); in __split_huge_page_tail()
3104 page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; in __split_huge_page_tail()
3105 page_tail->flags |= (head->flags & in __split_huge_page_tail()
3125 VM_BUG_ON_PAGE(tail > 2 && page_tail->mapping != TAIL_MAPPING, in __split_huge_page_tail()
3126 page_tail); in __split_huge_page_tail()
3127 page_tail->mapping = head->mapping; in __split_huge_page_tail()
3128 page_tail->index = head->index + tail; in __split_huge_page_tail()
3134 if (unlikely(page_tail->private)) { in __split_huge_page_tail()
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