diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 286a70c3d5de..0405d7375bce 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2643,6 +2643,8 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) mapping = NULL; anon_vma_lock_write(anon_vma); } else { + gfp_t gfp; + mapping = head->mapping; /* Truncated ? */ @@ -2651,8 +2653,16 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) goto out; } - xas_split_alloc(&xas, head, compound_order(head), - mapping_gfp_mask(mapping) & GFP_RECLAIM_MASK); + gfp = current_gfp_context(mapping_gfp_mask(mapping) & + GFP_RECLAIM_MASK); + + if (folio_test_private(folio) && + !filemap_release_folio(folio, gfp)) { + ret = -EBUSY; + goto out; + } + + xas_split_alloc(&xas, head, compound_order(head), gfp); if (xas_error(&xas)) { ret = xas_error(&xas); goto out; |