diff --git a/[refs] b/[refs] index 5ebab0a582ca..b231c6d5756b 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 4f5b04800a224aadb6cffcbbc3d3fa26e2367c7f +refs/heads/master: cc39c6a9bbdebfcf1a7dee64d83bf302bc38d941 diff --git a/trunk/mm/filemap.c b/trunk/mm/filemap.c index 645a080ba4df..7771871fa353 100644 --- a/trunk/mm/filemap.c +++ b/trunk/mm/filemap.c @@ -827,13 +827,14 @@ unsigned find_get_pages(struct address_space *mapping, pgoff_t start, { unsigned int i; unsigned int ret; - unsigned int nr_found; + unsigned int nr_found, nr_skip; rcu_read_lock(); restart: nr_found = radix_tree_gang_lookup_slot(&mapping->page_tree, (void ***)pages, NULL, start, nr_pages); ret = 0; + nr_skip = 0; for (i = 0; i < nr_found; i++) { struct page *page; repeat: @@ -856,6 +857,7 @@ unsigned find_get_pages(struct address_space *mapping, pgoff_t start, * here as an exceptional entry: so skip over it - * we only reach this from invalidate_mapping_pages(). */ + nr_skip++; continue; } @@ -876,7 +878,7 @@ unsigned find_get_pages(struct address_space *mapping, pgoff_t start, * If all entries were removed before we could secure them, * try again, because callers stop trying once 0 is returned. */ - if (unlikely(!ret && nr_found)) + if (unlikely(!ret && nr_found > nr_skip)) goto restart; rcu_read_unlock(); return ret;