diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 2fe1ea187b6b..213bb1e33830 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -584,14 +584,11 @@ void folio_prep_large_rmappable(struct folio *folio) folio_set_large_rmappable(folio); } -static inline bool is_transparent_hugepage(struct page *page) +static inline bool is_transparent_hugepage(struct folio *folio) { - struct folio *folio; - - if (!PageCompound(page)) + if (!folio_test_large(folio)) return false; - folio = page_folio(page); return is_huge_zero_page(&folio->page) || folio_test_large_rmappable(folio); } @@ -3012,6 +3009,7 @@ static int split_huge_pages_pid(int pid, unsigned long vaddr_start, for (addr = vaddr_start; addr < vaddr_end; addr += PAGE_SIZE) { struct vm_area_struct *vma = vma_lookup(mm, addr); struct page *page; + struct folio *folio; if (!vma) break; @@ -3028,22 +3026,23 @@ static int split_huge_pages_pid(int pid, unsigned long vaddr_start, if (IS_ERR_OR_NULL(page)) continue; - if (!is_transparent_hugepage(page)) + folio = page_folio(page); + if (!is_transparent_hugepage(folio)) goto next; total++; - if (!can_split_folio(page_folio(page), NULL)) + if (!can_split_folio(folio, NULL)) goto next; - if (!trylock_page(page)) + if (!folio_trylock(folio)) goto next; - if (!split_huge_page(page)) + if (!split_folio(folio)) split++; - unlock_page(page); + folio_unlock(folio); next: - put_page(page); + folio_put(folio); cond_resched(); } mmap_read_unlock(mm); |