diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index afff3ac87067..890fb73ac89b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2454,11 +2454,11 @@ static void __split_huge_page(struct page *page, struct list_head *list, for (i = nr - 1; i >= 1; i--) { __split_huge_page_tail(head, i, lruvec, list); - /* Some pages can be beyond i_size: drop them from page cache */ + /* Some pages can be beyond EOF: drop them from page cache */ if (head[i].index >= end) { ClearPageDirty(head + i); __delete_from_page_cache(head + i, NULL); - if (IS_ENABLED(CONFIG_SHMEM) && PageSwapBacked(head)) + if (shmem_mapping(head->mapping)) shmem_uncharge(head->mapping->host, 1); put_page(head + i); } else if (!PageAnon(page)) { @@ -2686,6 +2686,8 @@ int split_huge_page_to_list(struct page *page, struct list_head *list) * head page lock is good enough to serialize the trimming. */ end = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE); + if (shmem_mapping(mapping)) + end = shmem_fallocend(mapping->host, end); } /* |