diff options
| -rw-r--r-- | mm/filemap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 2815cb79a246..d78f577baef2 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2428,6 +2428,11 @@ static int lock_page_maybe_drop_mmap(struct vm_fault *vmf, struct page *page, if (trylock_page(page)) return 1; + /* + * NOTE! This will make us return with VM_FAULT_RETRY, but with + * the mmap_sem still held. That's how FAULT_FLAG_RETRY_NOWAIT + * is supposed to work. We have way too many special cases.. + */ if (vmf->flags & FAULT_FLAG_RETRY_NOWAIT) return 0; |