From: Naoya Horiguchi <[email protected]> Let's add a comment about where the failed page goes to, which makes code more readable.
Acked-by: Christoph Lameter <[email protected]> Reviewed-by: Wanpeng Li <[email protected]> Signed-off-by: Naoya Horiguchi <[email protected]> Signed-off-by: Joonsoo Kim <[email protected]> diff --git a/mm/migrate.c b/mm/migrate.c index 3747fcd..c6ac87a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1123,7 +1123,12 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page, nr_succeeded++; break; default: - /* Permanent failure */ + /* + * Permanent failure (-EBUSY, -ENOSYS, etc.): + * unlike -EAGAIN case, the failed page is + * removed from migration page list and not + * retried in the next outer loop. + */ nr_failed++; break; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
