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| author | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-10-15 00:14:01 +0000 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-10-15 00:14:01 +0000 |
| commit | 07aaae44f5a3962c3a410a6dd7936dfa7dece2b9 (patch) | |
| tree | 0cdb5735800ddd63d8850aa26d3a3f1f3334267a /mm/filemap.c | |
| parent | 07a062140372187642003e02a49edc8a2115c1ca (diff) | |
| parent | 976d167615b64e14bc1491ca51d424e2ba9a5e84 (diff) | |
Merge commit 'v3.1-rc9' into fbdev-next
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 645a080ba4df..7771871fa353 100644 --- a/mm/filemap.c +++ b/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 @@ repeat: * here as an exceptional entry: so skip over it - * we only reach this from invalidate_mapping_pages(). */ + nr_skip++; continue; } @@ -876,7 +878,7 @@ repeat: * 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; |