diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index ad8c39d90bf9..bd788bbe41b0 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1054,6 +1054,12 @@ void __init pagecache_init(void) init_waitqueue_head(&folio_wait_table[i]); page_writeback_init(); + + /* + * tmpfs uses the ZERO_PAGE for reading holes: it is up-to-date, + * and splice's page_cache_pipe_buf_confirm() needs to see that. + */ + SetPageUptodate(ZERO_PAGE(0)); } /* @@ -2229,8 +2235,9 @@ out: * @nr_pages: The maximum number of pages * @pages: Where the resulting pages are placed * - * find_get_pages_contig() works exactly like find_get_pages(), except - * that the returned number of pages are guaranteed to be contiguous. + * find_get_pages_contig() works exactly like find_get_pages_range(), + * except that the returned number of pages are guaranteed to be + * contiguous. * * Return: the number of pages which were found. */ @@ -2290,9 +2297,9 @@ EXPORT_SYMBOL(find_get_pages_contig); * @nr_pages: the maximum number of pages * @pages: where the resulting pages are placed * - * Like find_get_pages(), except we only return head pages which are tagged - * with @tag. @index is updated to the index immediately after the last - * page we return, ready for the next iteration. + * Like find_get_pages_range(), except we only return head pages which are + * tagged with @tag. @index is updated to the index immediately after the + * last page we return, ready for the next iteration. * * Return: the number of pages which were found. */ |